1283475

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 2155120

約数和(自身を除く): 871645

約数列:

[1, 3, 5, 15, 25, 75, 109, 157, 327, 471, 545, 785, 1635, 2355, 2725, 3925, 8175, 11775, 17113, 51339, 85565, 256695, 427825, 1283475]

約数ペア:

[(1, 1283475), (3, 427825), (5, 256695), (15, 85565), (25, 51339), (75, 17113), (109, 11775), (157, 8175), (327, 3925), (471, 2725), (545, 2355), (785, 1635)]