31281228

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 91232064

約数和(自身を除く): 59950836

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 67, 81, 99, 108, 131, 132, 134, 162, 198, 201, 262, 268, 297, 324, 393, 396, 402, 524, 594, 603, 737, 786, 804, 891, 1179, 1188, 1206, 1441, 1474, 1572, 1782, 1809, 2211, 2358, 2412, 2882, 2948, 3537, 3564, 3618, 4323, 4422, 4716, 5427, 5764, 6633, 7074, 7236, 8646, 8777, 8844, 10611, 10854, 12969, 13266, 14148, 17292, 17554, 19899, 21222, 21708, 25938, 26331, 26532, 35108, 38907, 39798, 42444, 51876, 52662, 59697, 77814, 78993, 79596, 96547, 105324, 116721, 119394, 155628, 157986, 193094, 233442, 236979, 238788, 289641, 315972, 386188, 466884, 473958, 579282, 710937, 868923, 947916, 1158564, 1421874, 1737846, 2606769, 2843748, 3475692, 5213538, 7820307, 10427076, 15640614, 31281228]

約数ペア:

[(1, 31281228), (2, 15640614), (3, 10427076), (4, 7820307), (6, 5213538), (9, 3475692), (11, 2843748), (12, 2606769), (18, 1737846), (22, 1421874), (27, 1158564), (33, 947916), (36, 868923), (44, 710937), (54, 579282), (66, 473958), (67, 466884), (81, 386188), (99, 315972), (108, 289641), (131, 238788), (132, 236979), (134, 233442), (162, 193094), (198, 157986), (201, 155628), (262, 119394), (268, 116721), (297, 105324), (324, 96547), (393, 79596), (396, 78993), (402, 77814), (524, 59697), (594, 52662), (603, 51876), (737, 42444), (786, 39798), (804, 38907), (891, 35108), (1179, 26532), (1188, 26331), (1206, 25938), (1441, 21708), (1474, 21222), (1572, 19899), (1782, 17554), (1809, 17292), (2211, 14148), (2358, 13266), (2412, 12969), (2882, 10854), (2948, 10611), (3537, 8844), (3564, 8777), (3618, 8646), (4323, 7236), (4422, 7074), (4716, 6633), (5427, 5764)]