42475797

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 79672320

約数和(自身を除く): 37196523

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 117, 147, 217, 239, 273, 279, 403, 441, 637, 651, 717, 819, 1209, 1519, 1673, 1911, 1953, 2151, 2821, 3107, 3627, 4557, 5019, 5733, 7409, 8463, 9321, 11711, 13671, 15057, 19747, 21749, 22227, 25389, 27963, 35133, 51863, 59241, 65247, 66681, 96317, 105399, 152243, 155589, 177723, 195741, 288951, 363041, 456729, 466767, 674219, 866853, 1089123, 1370187, 2022657, 3267369, 4719533, 6067971, 14158599, 42475797]

約数ペア:

[(1, 42475797), (3, 14158599), (7, 6067971), (9, 4719533), (13, 3267369), (21, 2022657), (31, 1370187), (39, 1089123), (49, 866853), (63, 674219), (91, 466767), (93, 456729), (117, 363041), (147, 288951), (217, 195741), (239, 177723), (273, 155589), (279, 152243), (403, 105399), (441, 96317), (637, 66681), (651, 65247), (717, 59241), (819, 51863), (1209, 35133), (1519, 27963), (1673, 25389), (1911, 22227), (1953, 21749), (2151, 19747), (2821, 15057), (3107, 13671), (3627, 11711), (4557, 9321), (5019, 8463), (5733, 7409)]