16523475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 28926720

約数和(自身を除く): 12403245

約数列:

[1, 3, 5, 15, 25, 29, 71, 75, 87, 107, 145, 213, 321, 355, 435, 535, 725, 1065, 1605, 1775, 2059, 2175, 2675, 3103, 5325, 6177, 7597, 8025, 9309, 10295, 15515, 22791, 30885, 37985, 46545, 51475, 77575, 113955, 154425, 189925, 220313, 232725, 569775, 660939, 1101565, 3304695, 5507825, 16523475]

約数ペア:

[(1, 16523475), (3, 5507825), (5, 3304695), (15, 1101565), (25, 660939), (29, 569775), (71, 232725), (75, 220313), (87, 189925), (107, 154425), (145, 113955), (213, 77575), (321, 51475), (355, 46545), (435, 37985), (535, 30885), (725, 22791), (1065, 15515), (1605, 10295), (1775, 9309), (2059, 8025), (2175, 7597), (2675, 6177), (3103, 5325)]