81299985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{2467}}^1$

素因数の和:2514

約数の個数: 32

約数和(自身を含む): 140972160

約数和(自身を除く): 59672175

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2197, 2467, 2535, 6591, 7401, 10985, 12335, 32071, 32955, 37005, 96213, 160355, 416923, 481065, 1250769, 2084615, 5419999, 6253845, 16259997, 27099995, 81299985]

約数ペア:

[(1, 81299985), (3, 27099995), (5, 16259997), (13, 6253845), (15, 5419999), (39, 2084615), (65, 1250769), (169, 481065), (195, 416923), (507, 160355), (845, 96213), (2197, 37005), (2467, 32955), (2535, 32071), (6591, 12335), (7401, 10985)]