15980765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 20418480

約数和(自身を除く): 4437715

約数列:

[1, 5, 17, 85, 229, 821, 1145, 3893, 4105, 13957, 19465, 69785, 188009, 940045, 3196153, 15980765]

約数ペア:

[(1, 15980765), (5, 3196153), (17, 940045), (85, 188009), (229, 69785), (821, 19465), (1145, 13957), (3893, 4105)]