681275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 1026720

約数和(自身を除く): 345445

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 229, 425, 595, 1145, 1603, 2975, 3893, 5725, 8015, 19465, 27251, 40075, 97325, 136255, 681275]

約数ペア:

[(1, 681275), (5, 136255), (7, 97325), (17, 40075), (25, 27251), (35, 19465), (85, 8015), (119, 5725), (175, 3893), (229, 2975), (425, 1603), (595, 1145)]