31720461

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2447}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 44064000

約数和(自身を除く): 12343539

約数列:

[1, 3, 29, 87, 149, 447, 2447, 4321, 7341, 12963, 70963, 212889, 364603, 1093809, 10573487, 31720461]

約数ペア:

[(1, 31720461), (3, 10573487), (29, 1093809), (87, 364603), (149, 212889), (447, 70963), (2447, 12963), (4321, 7341)]