131372451

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 225957888

約数和(自身を除く): 94585437

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 137, 217, 279, 411, 491, 651, 959, 1233, 1473, 1953, 2877, 3437, 4247, 4419, 8631, 10311, 12741, 15221, 29729, 30933, 38223, 45663, 67267, 89187, 106547, 136989, 201801, 267561, 319641, 470869, 605403, 958923, 1412607, 2085277, 4237821, 6255831, 14596939, 18767493, 43790817, 131372451]

約数ペア:

[(1, 131372451), (3, 43790817), (7, 18767493), (9, 14596939), (21, 6255831), (31, 4237821), (63, 2085277), (93, 1412607), (137, 958923), (217, 605403), (279, 470869), (411, 319641), (491, 267561), (651, 201801), (959, 136989), (1233, 106547), (1473, 89187), (1953, 67267), (2877, 45663), (3437, 38223), (4247, 30933), (4419, 29729), (8631, 15221), (10311, 12741)]