211344105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{683}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 394870464

約数和(自身を除く): 183526359

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 421, 683, 735, 1263, 2049, 2105, 2947, 3415, 4781, 6315, 8841, 10245, 14343, 14735, 20629, 23905, 33467, 44205, 61887, 71715, 100401, 103145, 167335, 287543, 309435, 502005, 862629, 1437715, 2012801, 4313145, 6038403, 10064005, 14089607, 30192015, 42268821, 70448035, 211344105]

約数ペア:

[(1, 211344105), (3, 70448035), (5, 42268821), (7, 30192015), (15, 14089607), (21, 10064005), (35, 6038403), (49, 4313145), (105, 2012801), (147, 1437715), (245, 862629), (421, 502005), (683, 309435), (735, 287543), (1263, 167335), (2049, 103145), (2105, 100401), (2947, 71715), (3415, 61887), (4781, 44205), (6315, 33467), (8841, 23905), (10245, 20629), (14343, 14735)]