281640195

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 500591520

約数和(自身を除く): 218951325

約数列:

[1, 3, 5, 9, 15, 45, 67, 109, 201, 327, 335, 545, 603, 857, 981, 1005, 1635, 2571, 3015, 4285, 4905, 7303, 7713, 12855, 21909, 36515, 38565, 57419, 65727, 93413, 109545, 172257, 280239, 287095, 328635, 467065, 516771, 840717, 861285, 1401195, 2583855, 4203585, 6258671, 18776013, 31293355, 56328039, 93880065, 281640195]

約数ペア:

[(1, 281640195), (3, 93880065), (5, 56328039), (9, 31293355), (15, 18776013), (45, 6258671), (67, 4203585), (109, 2583855), (201, 1401195), (327, 861285), (335, 840717), (545, 516771), (603, 467065), (857, 328635), (981, 287095), (1005, 280239), (1635, 172257), (2571, 109545), (3015, 93413), (4285, 65727), (4905, 57419), (7303, 38565), (7713, 36515), (12855, 21909)]