397754955

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2437}}^1$

素因数の和:2498

約数の個数: 80

約数和(自身を含む): 792954624

約数和(自身を除く): 395199669

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 195, 279, 351, 403, 405, 465, 585, 837, 1053, 1209, 1395, 1755, 2015, 2437, 2511, 3627, 4185, 5265, 6045, 7311, 10881, 12185, 12555, 18135, 21933, 31681, 32643, 36555, 54405, 65799, 75547, 95043, 109665, 158405, 163215, 197397, 226641, 285129, 328995, 377735, 475215, 679923, 855387, 982111, 986985, 1133205, 1425645, 2039769, 2566161, 2946333, 3399615, 4276935, 4910555, 6119307, 8838999, 10198845, 12830805, 14731665, 26516997, 30596535, 44194995, 79550991, 132584985, 397754955]

約数ペア:

[(1, 397754955), (3, 132584985), (5, 79550991), (9, 44194995), (13, 30596535), (15, 26516997), (27, 14731665), (31, 12830805), (39, 10198845), (45, 8838999), (65, 6119307), (81, 4910555), (93, 4276935), (117, 3399615), (135, 2946333), (155, 2566161), (195, 2039769), (279, 1425645), (351, 1133205), (403, 986985), (405, 982111), (465, 855387), (585, 679923), (837, 475215), (1053, 377735), (1209, 328995), (1395, 285129), (1755, 226641), (2015, 197397), (2437, 163215), (2511, 158405), (3627, 109665), (4185, 95043), (5265, 75547), (6045, 65799), (7311, 54405), (10881, 36555), (12185, 32643), (12555, 31681), (18135, 21933)]