306728135

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 426954240

約数和(自身を除く): 120226105

約数列:

[1, 5, 7, 35, 173, 179, 283, 865, 895, 1211, 1253, 1415, 1981, 6055, 6265, 9905, 30967, 48959, 50657, 154835, 216769, 244795, 253285, 342713, 354599, 1083845, 1713565, 1772995, 8763661, 43818305, 61345627, 306728135]

約数ペア:

[(1, 306728135), (5, 61345627), (7, 43818305), (35, 8763661), (173, 1772995), (179, 1713565), (283, 1083845), (865, 354599), (895, 342713), (1211, 253285), (1253, 244795), (1415, 216769), (1981, 154835), (6055, 50657), (6265, 48959), (9905, 30967)]