818888961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{17891}}^1$

素因数の和:17997

約数の個数: 32

約数和(自身を含む): 1271047680

約数和(自身を除く): 452158719

約数列:

[1, 3, 11, 19, 33, 57, 73, 209, 219, 627, 803, 1387, 2409, 4161, 15257, 17891, 45771, 53673, 196801, 339929, 590403, 1019787, 1306043, 3739219, 3918129, 11217657, 14366473, 24814817, 43099419, 74444451, 272962987, 818888961]

約数ペア:

[(1, 818888961), (3, 272962987), (11, 74444451), (19, 43099419), (33, 24814817), (57, 14366473), (73, 11217657), (209, 3918129), (219, 3739219), (627, 1306043), (803, 1019787), (1387, 590403), (2409, 339929), (4161, 196801), (15257, 53673), (17891, 45771)]