27899529

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 45342720

約数和(自身を除く): 17443191

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 1229, 3243, 3687, 7567, 8603, 22701, 25809, 28267, 57763, 84801, 173289, 197869, 404341, 593607, 1213023, 1328549, 3985647, 9299843, 27899529]

約数ペア:

[(1, 27899529), (3, 9299843), (7, 3985647), (21, 1328549), (23, 1213023), (47, 593607), (69, 404341), (141, 197869), (161, 173289), (329, 84801), (483, 57763), (987, 28267), (1081, 25809), (1229, 22701), (3243, 8603), (3687, 7567)]