989604

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 144

約数和(自身を含む): 3447360

約数和(自身を除く): 2457756

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 27, 28, 33, 34, 36, 42, 44, 49, 51, 54, 63, 66, 68, 77, 84, 98, 99, 102, 108, 119, 126, 132, 147, 153, 154, 187, 189, 196, 198, 204, 231, 238, 252, 294, 297, 306, 308, 357, 374, 378, 396, 441, 459, 462, 476, 539, 561, 588, 594, 612, 693, 714, 748, 756, 833, 882, 918, 924, 1071, 1078, 1122, 1188, 1309, 1323, 1386, 1428, 1617, 1666, 1683, 1764, 1836, 2079, 2142, 2156, 2244, 2499, 2618, 2646, 2772, 3213, 3234, 3332, 3366, 3927, 4158, 4284, 4851, 4998, 5049, 5236, 5292, 6426, 6468, 6732, 7497, 7854, 8316, 9163, 9702, 9996, 10098, 11781, 12852, 14553, 14994, 15708, 18326, 19404, 20196, 22491, 23562, 27489, 29106, 29988, 35343, 36652, 44982, 47124, 54978, 58212, 70686, 82467, 89964, 109956, 141372, 164934, 247401, 329868, 494802, 989604]

約数ペア:

[(1, 989604), (2, 494802), (3, 329868), (4, 247401), (6, 164934), (7, 141372), (9, 109956), (11, 89964), (12, 82467), (14, 70686), (17, 58212), (18, 54978), (21, 47124), (22, 44982), (27, 36652), (28, 35343), (33, 29988), (34, 29106), (36, 27489), (42, 23562), (44, 22491), (49, 20196), (51, 19404), (54, 18326), (63, 15708), (66, 14994), (68, 14553), (77, 12852), (84, 11781), (98, 10098), (99, 9996), (102, 9702), (108, 9163), (119, 8316), (126, 7854), (132, 7497), (147, 6732), (153, 6468), (154, 6426), (187, 5292), (189, 5236), (196, 5049), (198, 4998), (204, 4851), (231, 4284), (238, 4158), (252, 3927), (294, 3366), (297, 3332), (306, 3234), (308, 3213), (357, 2772), (374, 2646), (378, 2618), (396, 2499), (441, 2244), (459, 2156), (462, 2142), (476, 2079), (539, 1836), (561, 1764), (588, 1683), (594, 1666), (612, 1617), (693, 1428), (714, 1386), (748, 1323), (756, 1309), (833, 1188), (882, 1122), (918, 1078), (924, 1071)]