81249735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26683}}^1$

素因数の和:26727

約数の個数: 32

約数和(自身を含む): 153699840

約数和(自身を除く): 72450105

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 26683, 80049, 133415, 186781, 400245, 560343, 773807, 933905, 2321421, 2801715, 3869035, 5416649, 11607105, 16249947, 27083245, 81249735]

約数ペア:

[(1, 81249735), (3, 27083245), (5, 16249947), (7, 11607105), (15, 5416649), (21, 3869035), (29, 2801715), (35, 2321421), (87, 933905), (105, 773807), (145, 560343), (203, 400245), (435, 186781), (609, 133415), (1015, 80049), (3045, 26683)]