42720525

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1246

約数の個数: 36

約数和(自身を含む): 77013300

約数和(自身を除く): 34292775

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 543, 905, 1049, 1629, 2715, 3147, 4525, 5245, 8145, 9441, 13575, 15735, 26225, 40725, 47205, 78675, 189869, 236025, 569607, 949345, 1708821, 2848035, 4746725, 8544105, 14240175, 42720525]

約数ペア:

[(1, 42720525), (3, 14240175), (5, 8544105), (9, 4746725), (15, 2848035), (25, 1708821), (45, 949345), (75, 569607), (181, 236025), (225, 189869), (543, 78675), (905, 47205), (1049, 40725), (1629, 26225), (2715, 15735), (3147, 13575), (4525, 9441), (5245, 8145)]