15656565

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 25926912

約数和(自身を除く): 10270347

約数列:

[1, 3, 5, 15, 61, 71, 183, 213, 241, 305, 355, 723, 915, 1065, 1205, 3615, 4331, 12993, 14701, 17111, 21655, 44103, 51333, 64965, 73505, 85555, 220515, 256665, 1043771, 3131313, 5218855, 15656565]

約数ペア:

[(1, 15656565), (3, 5218855), (5, 3131313), (15, 1043771), (61, 256665), (71, 220515), (183, 85555), (213, 73505), (241, 64965), (305, 51333), (355, 44103), (723, 21655), (915, 17111), (1065, 14701), (1205, 12993), (3615, 4331)]