208105635

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{859}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 344770560

約数和(自身を除く): 136664925

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 521, 859, 1563, 2577, 2605, 4295, 7815, 12885, 16151, 26629, 48453, 79887, 80755, 133145, 242265, 399435, 447539, 1342617, 2237695, 6713085, 13873709, 41621127, 69368545, 208105635]

約数ペア:

[(1, 208105635), (3, 69368545), (5, 41621127), (15, 13873709), (31, 6713085), (93, 2237695), (155, 1342617), (465, 447539), (521, 399435), (859, 242265), (1563, 133145), (2577, 80755), (2605, 79887), (4295, 48453), (7815, 26629), (12885, 16151)]