428283177

素因数分解:

$3^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 684609216

約数和(自身を除く): 256326039

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 777, 1029, 1607, 1813, 2401, 4821, 5439, 7203, 11249, 12691, 33747, 38073, 59459, 78743, 88837, 178377, 236229, 266511, 416213, 551201, 1248639, 1653603, 2913491, 3858407, 8740473, 11575221, 20394437, 61183311, 142761059, 428283177]

約数ペア:

[(1, 428283177), (3, 142761059), (7, 61183311), (21, 20394437), (37, 11575221), (49, 8740473), (111, 3858407), (147, 2913491), (259, 1653603), (343, 1248639), (777, 551201), (1029, 416213), (1607, 266511), (1813, 236229), (2401, 178377), (4821, 88837), (5439, 78743), (7203, 59459), (11249, 38073), (12691, 33747)]