81692115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 144752640

約数和(自身を除く): 63060525

約数列:

[1, 3, 5, 15, 19, 37, 57, 61, 95, 111, 127, 183, 185, 285, 305, 381, 555, 635, 703, 915, 1159, 1905, 2109, 2257, 2413, 3477, 3515, 4699, 5795, 6771, 7239, 7747, 10545, 11285, 12065, 14097, 17385, 23241, 23495, 33855, 36195, 38735, 42883, 70485, 89281, 116205, 128649, 147193, 214415, 267843, 286639, 441579, 446405, 643245, 735965, 859917, 1339215, 1433195, 2207895, 4299585, 5446141, 16338423, 27230705, 81692115]

約数ペア:

[(1, 81692115), (3, 27230705), (5, 16338423), (15, 5446141), (19, 4299585), (37, 2207895), (57, 1433195), (61, 1339215), (95, 859917), (111, 735965), (127, 643245), (183, 446405), (185, 441579), (285, 286639), (305, 267843), (381, 214415), (555, 147193), (635, 128649), (703, 116205), (915, 89281), (1159, 70485), (1905, 42883), (2109, 38735), (2257, 36195), (2413, 33855), (3477, 23495), (3515, 23241), (4699, 17385), (5795, 14097), (6771, 12065), (7239, 11285), (7747, 10545)]