81738735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11329}}^1$

素因数の和:11387

約数の個数: 32

約数和(自身を含む): 144661440

約数和(自身を除く): 62922705

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 11329, 33987, 56645, 147277, 169935, 419173, 441831, 736385, 1257519, 2095865, 2209155, 5449249, 6287595, 16347747, 27246245, 81738735]

約数ペア:

[(1, 81738735), (3, 27246245), (5, 16347747), (13, 6287595), (15, 5449249), (37, 2209155), (39, 2095865), (65, 1257519), (111, 736385), (185, 441831), (195, 419173), (481, 169935), (555, 147277), (1443, 56645), (2405, 33987), (7215, 11329)]