87210018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{823}}^1$

素因数の和:896

約数の個数: 72

約数和(自身を含む): 223923648

約数和(自身を除く): 136713630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 823, 841, 1218, 1646, 1682, 1827, 2469, 2523, 3654, 4938, 5046, 5761, 5887, 7407, 7569, 11522, 11774, 14814, 15138, 17283, 17661, 23867, 34566, 35322, 47734, 51849, 52983, 71601, 103698, 105966, 143202, 167069, 214803, 334138, 429606, 501207, 692143, 1002414, 1384286, 1503621, 2076429, 3007242, 4152858, 4845001, 6229287, 9690002, 12458574, 14535003, 29070006, 43605009, 87210018]

約数ペア:

[(1, 87210018), (2, 43605009), (3, 29070006), (6, 14535003), (7, 12458574), (9, 9690002), (14, 6229287), (18, 4845001), (21, 4152858), (29, 3007242), (42, 2076429), (58, 1503621), (63, 1384286), (87, 1002414), (126, 692143), (174, 501207), (203, 429606), (261, 334138), (406, 214803), (522, 167069), (609, 143202), (823, 105966), (841, 103698), (1218, 71601), (1646, 52983), (1682, 51849), (1827, 47734), (2469, 35322), (2523, 34566), (3654, 23867), (4938, 17661), (5046, 17283), (5761, 15138), (5887, 14814), (7407, 11774), (7569, 11522)]