31993785

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 57786696

約数和(自身を除く): 25792911

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 401, 405, 591, 985, 1203, 1773, 2005, 2955, 3609, 5319, 6015, 8865, 10827, 15957, 18045, 26595, 32481, 54135, 78997, 79785, 162405, 236991, 394985, 710973, 1184955, 2132919, 3554865, 6398757, 10664595, 31993785]

約数ペア:

[(1, 31993785), (3, 10664595), (5, 6398757), (9, 3554865), (15, 2132919), (27, 1184955), (45, 710973), (81, 394985), (135, 236991), (197, 162405), (401, 79785), (405, 78997), (591, 54135), (985, 32481), (1203, 26595), (1773, 18045), (2005, 15957), (2955, 10827), (3609, 8865), (5319, 6015)]