68904615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1151}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 119218176

約数和(自身を除く): 50313561

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 307, 921, 1151, 1535, 3453, 3991, 4605, 5755, 11973, 14963, 17265, 19955, 44889, 59865, 74815, 224445, 353357, 1060071, 1766785, 4593641, 5300355, 13780923, 22968205, 68904615]

約数ペア:

[(1, 68904615), (3, 22968205), (5, 13780923), (13, 5300355), (15, 4593641), (39, 1766785), (65, 1060071), (195, 353357), (307, 224445), (921, 74815), (1151, 59865), (1535, 44889), (3453, 19955), (3991, 17265), (4605, 14963), (5755, 11973)]