42406815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 76325760

約数和(自身を除く): 33918945

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 139, 165, 215, 417, 473, 645, 695, 1419, 1529, 1849, 2085, 2365, 4587, 5547, 5977, 7095, 7645, 9245, 17931, 20339, 22935, 27735, 29885, 61017, 65747, 89655, 101695, 197241, 257011, 305085, 328735, 771033, 986205, 1285055, 2827121, 3855165, 8481363, 14135605, 42406815]

約数ペア:

[(1, 42406815), (3, 14135605), (5, 8481363), (11, 3855165), (15, 2827121), (33, 1285055), (43, 986205), (55, 771033), (129, 328735), (139, 305085), (165, 257011), (215, 197241), (417, 101695), (473, 89655), (645, 65747), (695, 61017), (1419, 29885), (1529, 27735), (1849, 22935), (2085, 20339), (2365, 17931), (4587, 9245), (5547, 7645), (5977, 7095)]