31217508

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 99973440

約数和(自身を除く): 68755932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 294, 306, 347, 357, 378, 441, 459, 476, 588, 612, 694, 714, 756, 833, 882, 918, 1041, 1071, 1323, 1388, 1428, 1666, 1764, 1836, 2082, 2142, 2429, 2499, 2646, 3123, 3213, 3332, 4164, 4284, 4858, 4998, 5292, 5899, 6246, 6426, 7287, 7497, 9369, 9716, 9996, 11798, 12492, 12852, 14574, 14994, 17003, 17697, 18738, 21861, 22491, 23596, 29148, 29988, 34006, 35394, 37476, 41293, 43722, 44982, 51009, 53091, 65583, 68012, 70788, 82586, 87444, 89964, 102018, 106182, 123879, 131166, 153027, 159273, 165172, 204036, 212364, 247758, 262332, 289051, 306054, 318546, 371637, 459081, 495516, 578102, 612108, 637092, 743274, 867153, 918162, 1114911, 1156204, 1486548, 1734306, 1836324, 2229822, 2601459, 3468612, 4459644, 5202918, 7804377, 10405836, 15608754, 31217508]

約数ペア:

[(1, 31217508), (2, 15608754), (3, 10405836), (4, 7804377), (6, 5202918), (7, 4459644), (9, 3468612), (12, 2601459), (14, 2229822), (17, 1836324), (18, 1734306), (21, 1486548), (27, 1156204), (28, 1114911), (34, 918162), (36, 867153), (42, 743274), (49, 637092), (51, 612108), (54, 578102), (63, 495516), (68, 459081), (84, 371637), (98, 318546), (102, 306054), (108, 289051), (119, 262332), (126, 247758), (147, 212364), (153, 204036), (189, 165172), (196, 159273), (204, 153027), (238, 131166), (252, 123879), (294, 106182), (306, 102018), (347, 89964), (357, 87444), (378, 82586), (441, 70788), (459, 68012), (476, 65583), (588, 53091), (612, 51009), (694, 44982), (714, 43722), (756, 41293), (833, 37476), (882, 35394), (918, 34006), (1041, 29988), (1071, 29148), (1323, 23596), (1388, 22491), (1428, 21861), (1666, 18738), (1764, 17697), (1836, 17003), (2082, 14994), (2142, 14574), (2429, 12852), (2499, 12492), (2646, 11798), (3123, 9996), (3213, 9716), (3332, 9369), (4164, 7497), (4284, 7287), (4858, 6426), (4998, 6246), (5292, 5899)]