31636311

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 52968960

約数和(自身を除く): 21332649

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 133, 141, 147, 241, 329, 399, 723, 893, 931, 987, 1687, 2303, 2679, 2793, 4579, 5061, 6251, 6909, 11327, 11809, 13737, 18753, 32053, 33981, 35427, 43757, 79289, 96159, 131271, 215213, 224371, 237867, 555023, 645639, 673113, 1506491, 1665069, 4519473, 10545437, 31636311]

約数ペア:

[(1, 31636311), (3, 10545437), (7, 4519473), (19, 1665069), (21, 1506491), (47, 673113), (49, 645639), (57, 555023), (133, 237867), (141, 224371), (147, 215213), (241, 131271), (329, 96159), (399, 79289), (723, 43757), (893, 35427), (931, 33981), (987, 32053), (1687, 18753), (2303, 13737), (2679, 11809), (2793, 11327), (4579, 6909), (5061, 6251)]