42639075

素因数分解:

$3^3\times 5^2\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 78988000

約数和(自身を除く): 36348925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 181, 225, 349, 543, 675, 905, 1047, 1629, 1745, 2715, 3141, 4525, 4887, 5235, 8145, 8725, 9423, 13575, 15705, 24435, 26175, 40725, 47115, 63169, 78525, 122175, 189507, 235575, 315845, 568521, 947535, 1579225, 1705563, 2842605, 4737675, 8527815, 14213025, 42639075]

約数ペア:

[(1, 42639075), (3, 14213025), (5, 8527815), (9, 4737675), (15, 2842605), (25, 1705563), (27, 1579225), (45, 947535), (75, 568521), (135, 315845), (181, 235575), (225, 189507), (349, 122175), (543, 78525), (675, 63169), (905, 47115), (1047, 40725), (1629, 26175), (1745, 24435), (2715, 15705), (3141, 13575), (4525, 9423), (4887, 8725), (5235, 8145)]