81427395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1229}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 149253120

約数和(自身を除く): 67825725

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 631, 1229, 1893, 3155, 3687, 4417, 6145, 8603, 9465, 13251, 18435, 22085, 25809, 43015, 66255, 129045, 775499, 2326497, 3877495, 5428493, 11632485, 16285479, 27142465, 81427395]

約数ペア:

[(1, 81427395), (3, 27142465), (5, 16285479), (7, 11632485), (15, 5428493), (21, 3877495), (35, 2326497), (105, 775499), (631, 129045), (1229, 66255), (1893, 43015), (3155, 25809), (3687, 22085), (4417, 18435), (6145, 13251), (8603, 9465)]