42513723

素因数分解:

$3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:816

約数の個数: 36

約数和(自身を含む): 72025200

約数和(自身を除く): 29511477

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 149, 441, 447, 647, 1043, 1341, 1941, 3129, 4529, 5823, 7301, 9387, 13587, 21903, 31703, 40761, 65709, 95109, 96403, 285327, 289209, 674821, 867627, 2024463, 4723747, 6073389, 14171241, 42513723]

約数ペア:

[(1, 42513723), (3, 14171241), (7, 6073389), (9, 4723747), (21, 2024463), (49, 867627), (63, 674821), (147, 289209), (149, 285327), (441, 96403), (447, 95109), (647, 65709), (1043, 40761), (1341, 31703), (1941, 21903), (3129, 13587), (4529, 9387), (5823, 7301)]