258312495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{8693}}^1$

素因数の和:8991

約数の個数: 32

約数和(自身を含む): 474066432

約数和(自身を除く): 215753937

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 849, 1415, 1981, 4245, 5943, 8693, 9905, 26079, 29715, 43465, 60851, 130395, 182553, 304255, 912765, 2460119, 7380357, 12300595, 17220833, 36901785, 51662499, 86104165, 258312495]

約数ペア:

[(1, 258312495), (3, 86104165), (5, 51662499), (7, 36901785), (15, 17220833), (21, 12300595), (35, 7380357), (105, 2460119), (283, 912765), (849, 304255), (1415, 182553), (1981, 130395), (4245, 60851), (5943, 43465), (8693, 29715), (9905, 26079)]