1640644995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9943303}}^1$

素因数の和:9943322

約数の個数: 16

約数和(自身を含む): 2863671552

約数和(自身を除く): 1223026557

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 9943303, 29829909, 49716515, 109376333, 149149545, 328128999, 546881665, 1640644995]

約数ペア:

[(1, 1640644995), (3, 546881665), (5, 328128999), (11, 149149545), (15, 109376333), (33, 49716515), (55, 29829909), (165, 9943303)]