90145809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 147987840

約数和(自身を除く): 57842031

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 139, 207, 241, 299, 417, 723, 897, 1251, 1807, 2169, 2691, 3133, 3197, 5421, 5543, 9399, 9591, 16263, 16629, 28197, 28773, 33499, 41561, 49887, 72059, 100497, 124683, 216177, 301491, 374049, 435487, 648531, 770477, 1306461, 2311431, 3919383, 6934293, 10016201, 30048603, 90145809]

約数ペア:

[(1, 90145809), (3, 30048603), (9, 10016201), (13, 6934293), (23, 3919383), (39, 2311431), (69, 1306461), (117, 770477), (139, 648531), (207, 435487), (241, 374049), (299, 301491), (417, 216177), (723, 124683), (897, 100497), (1251, 72059), (1807, 49887), (2169, 41561), (2691, 33499), (3133, 28773), (3197, 28197), (5421, 16629), (5543, 16263), (9399, 9591)]