189602775

素因数分解:

$3^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:990

約数の個数: 60

約数和(自身を含む): 354844600

約数和(自身を除く): 165241825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 109, 135, 225, 327, 405, 545, 675, 859, 981, 1635, 2025, 2577, 2725, 2943, 4295, 4905, 7731, 8175, 8829, 12885, 14715, 21475, 23193, 24525, 38655, 44145, 64425, 69579, 73575, 93631, 115965, 193275, 220725, 280893, 347895, 468155, 579825, 842679, 1404465, 1739475, 2340775, 2528037, 4213395, 7022325, 7584111, 12640185, 21066975, 37920555, 63200925, 189602775]

約数ペア:

[(1, 189602775), (3, 63200925), (5, 37920555), (9, 21066975), (15, 12640185), (25, 7584111), (27, 7022325), (45, 4213395), (75, 2528037), (81, 2340775), (109, 1739475), (135, 1404465), (225, 842679), (327, 579825), (405, 468155), (545, 347895), (675, 280893), (859, 220725), (981, 193275), (1635, 115965), (2025, 93631), (2577, 73575), (2725, 69579), (2943, 64425), (4295, 44145), (4905, 38655), (7731, 24525), (8175, 23193), (8829, 21475), (12885, 14715)]