80891307

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 144074112

約数和(自身を除く): 63182805

約数列:

[1, 3, 7, 9, 21, 31, 49, 61, 63, 93, 97, 147, 183, 217, 279, 291, 427, 441, 549, 651, 679, 873, 1281, 1519, 1891, 1953, 2037, 2989, 3007, 3843, 4557, 4753, 5673, 5917, 6111, 8967, 9021, 13237, 13671, 14259, 17019, 17751, 21049, 26901, 27063, 39711, 41419, 42777, 53253, 63147, 92659, 119133, 124257, 147343, 183427, 189441, 277977, 289933, 372771, 442029, 550281, 833931, 869799, 1283989, 1326087, 1650843, 2609397, 3851967, 8987923, 11555901, 26963769, 80891307]

約数ペア:

[(1, 80891307), (3, 26963769), (7, 11555901), (9, 8987923), (21, 3851967), (31, 2609397), (49, 1650843), (61, 1326087), (63, 1283989), (93, 869799), (97, 833931), (147, 550281), (183, 442029), (217, 372771), (279, 289933), (291, 277977), (427, 189441), (441, 183427), (549, 147343), (651, 124257), (679, 119133), (873, 92659), (1281, 63147), (1519, 53253), (1891, 42777), (1953, 41419), (2037, 39711), (2989, 27063), (3007, 26901), (3843, 21049), (4557, 17751), (4753, 17019), (5673, 14259), (5917, 13671), (6111, 13237), (8967, 9021)]