253342817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 318689280

約数和(自身を除く): 65346463

約数列:

[1, 7, 13, 91, 103, 151, 179, 721, 1057, 1253, 1339, 1963, 2327, 9373, 13741, 15553, 16289, 18437, 27029, 108871, 129059, 189203, 202189, 239681, 351377, 1415323, 1677767, 2459639, 2783987, 19487909, 36191831, 253342817]

約数ペア:

[(1, 253342817), (7, 36191831), (13, 19487909), (91, 2783987), (103, 2459639), (151, 1677767), (179, 1415323), (721, 351377), (1057, 239681), (1253, 202189), (1339, 189203), (1963, 129059), (2327, 108871), (9373, 27029), (13741, 18437), (15553, 16289)]