1517481

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 2772480

約数和(自身を除く): 1254999

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 49, 63, 93, 111, 147, 189, 217, 259, 279, 333, 441, 651, 777, 837, 999, 1147, 1323, 1519, 1813, 1953, 2331, 3441, 4557, 5439, 5859, 6993, 8029, 10323, 13671, 16317, 24087, 30969, 41013, 48951, 56203, 72261, 168609, 216783, 505827, 1517481]

約数ペア:

[(1, 1517481), (3, 505827), (7, 216783), (9, 168609), (21, 72261), (27, 56203), (31, 48951), (37, 41013), (49, 30969), (63, 24087), (93, 16317), (111, 13671), (147, 10323), (189, 8029), (217, 6993), (259, 5859), (279, 5439), (333, 4557), (441, 3441), (651, 2331), (777, 1953), (837, 1813), (999, 1519), (1147, 1323)]