313081275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{321109}}^1$

素因数の和:321135

約数の個数: 24

約数和(自身を含む): 557446960

約数和(自身を除く): 244365685

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 321109, 963327, 1605545, 4174417, 4816635, 8027725, 12523251, 20872085, 24083175, 62616255, 104360425, 313081275]

約数ペア:

[(1, 313081275), (3, 104360425), (5, 62616255), (13, 24083175), (15, 20872085), (25, 12523251), (39, 8027725), (65, 4816635), (75, 4174417), (195, 1605545), (325, 963327), (975, 321109)]