9885505

素因数分解:

$5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 13941288

約数和(自身を除く): 4055783

約数列:

[1, 5, 7, 35, 49, 157, 245, 257, 785, 1099, 1285, 1799, 5495, 7693, 8995, 12593, 38465, 40349, 62965, 201745, 282443, 1412215, 1977101, 9885505]

約数ペア:

[(1, 9885505), (5, 1977101), (7, 1412215), (35, 282443), (49, 201745), (157, 62965), (245, 40349), (257, 38465), (785, 12593), (1099, 8995), (1285, 7693), (1799, 5495)]