154795221

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 268280064

約数和(自身を除く): 113484843

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 317, 337, 483, 951, 1011, 1449, 2219, 2359, 2853, 3033, 6657, 7077, 7291, 7751, 19971, 21231, 21873, 23253, 51037, 54257, 65619, 69759, 106829, 153111, 162771, 320487, 459333, 488313, 747803, 961461, 2243409, 2457067, 6730227, 7371201, 17199469, 22113603, 51598407, 154795221]

約数ペア:

[(1, 154795221), (3, 51598407), (7, 22113603), (9, 17199469), (21, 7371201), (23, 6730227), (63, 2457067), (69, 2243409), (161, 961461), (207, 747803), (317, 488313), (337, 459333), (483, 320487), (951, 162771), (1011, 153111), (1449, 106829), (2219, 69759), (2359, 65619), (2853, 54257), (3033, 51037), (6657, 23253), (7077, 21873), (7291, 21231), (7751, 19971)]