9780138396

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{12936691}}^1$

素因数の和:12936711

約数の個数: 48

約数和(自身を含む): 28978190080

約数和(自身を除く): 19198051684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 12936691, 25873382, 38810073, 51746764, 77620146, 90556837, 116430219, 155240292, 181113674, 232860438, 271670511, 349290657, 362227348, 465720876, 543341022, 698581314, 815011533, 1086682044, 1397162628, 1630023066, 2445034599, 3260046132, 4890069198, 9780138396]

約数ペア:

[(1, 9780138396), (2, 4890069198), (3, 3260046132), (4, 2445034599), (6, 1630023066), (7, 1397162628), (9, 1086682044), (12, 815011533), (14, 698581314), (18, 543341022), (21, 465720876), (27, 362227348), (28, 349290657), (36, 271670511), (42, 232860438), (54, 181113674), (63, 155240292), (84, 116430219), (108, 90556837), (126, 77620146), (189, 51746764), (252, 38810073), (378, 25873382), (756, 12936691)]