77961405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8263}}^1$

素因数の和:8325

約数の個数: 32

約数和(自身を含む): 135661824

約数和(自身を除く): 57700419

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 3145, 8263, 9435, 24789, 41315, 123945, 140471, 305731, 421413, 702355, 917193, 1528655, 2107065, 4585965, 5197427, 15592281, 25987135, 77961405]

約数ペア:

[(1, 77961405), (3, 25987135), (5, 15592281), (15, 5197427), (17, 4585965), (37, 2107065), (51, 1528655), (85, 917193), (111, 702355), (185, 421413), (255, 305731), (555, 140471), (629, 123945), (1887, 41315), (3145, 24789), (8263, 9435)]