42220845

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1787

約数の個数: 40

約数和(自身を含む): 76970520

約数和(自身を除く): 34749675

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 1709, 2745, 4941, 5127, 8235, 8545, 15381, 24705, 25635, 46143, 76905, 104249, 138429, 230715, 312747, 521245, 692145, 938241, 1563735, 2814723, 4691205, 8444169, 14073615, 42220845]

約数ペア:

[(1, 42220845), (3, 14073615), (5, 8444169), (9, 4691205), (15, 2814723), (27, 1563735), (45, 938241), (61, 692145), (81, 521245), (135, 312747), (183, 230715), (305, 138429), (405, 104249), (549, 76905), (915, 46143), (1647, 25635), (1709, 24705), (2745, 15381), (4941, 8545), (5127, 8235)]