90621855

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 168030720

約数和(自身を除く): 77408865

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 67, 129, 135, 201, 215, 233, 335, 387, 603, 645, 699, 1005, 1161, 1165, 1809, 1935, 2097, 2881, 3015, 3495, 5805, 6291, 8643, 9045, 10019, 10485, 14405, 15611, 25929, 30057, 31455, 43215, 46833, 50095, 77787, 78055, 90171, 129645, 140499, 150285, 234165, 270513, 388935, 421497, 450855, 671273, 702495, 1352565, 2013819, 2107485, 3356365, 6041457, 10069095, 18124371, 30207285, 90621855]

約数ペア:

[(1, 90621855), (3, 30207285), (5, 18124371), (9, 10069095), (15, 6041457), (27, 3356365), (43, 2107485), (45, 2013819), (67, 1352565), (129, 702495), (135, 671273), (201, 450855), (215, 421497), (233, 388935), (335, 270513), (387, 234165), (603, 150285), (645, 140499), (699, 129645), (1005, 90171), (1161, 78055), (1165, 77787), (1809, 50095), (1935, 46833), (2097, 43215), (2881, 31455), (3015, 30057), (3495, 25929), (5805, 15611), (6291, 14405), (8643, 10485), (9045, 10019)]