31847985

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 64399104

約数和(自身を除く): 32551119

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 81, 115, 117, 135, 195, 207, 263, 299, 345, 351, 405, 585, 621, 789, 897, 1035, 1053, 1315, 1495, 1755, 1863, 2367, 2691, 3105, 3419, 3945, 4485, 5265, 6049, 7101, 8073, 9315, 10257, 11835, 13455, 17095, 18147, 21303, 24219, 30245, 30771, 35505, 40365, 51285, 54441, 78637, 90735, 92313, 106515, 121095, 153855, 163323, 235911, 272205, 276939, 393185, 461565, 489969, 707733, 816615, 1179555, 1384695, 2123199, 2449845, 3538665, 6369597, 10615995, 31847985]

約数ペア:

[(1, 31847985), (3, 10615995), (5, 6369597), (9, 3538665), (13, 2449845), (15, 2123199), (23, 1384695), (27, 1179555), (39, 816615), (45, 707733), (65, 489969), (69, 461565), (81, 393185), (115, 276939), (117, 272205), (135, 235911), (195, 163323), (207, 153855), (263, 121095), (299, 106515), (345, 92313), (351, 90735), (405, 78637), (585, 54441), (621, 51285), (789, 40365), (897, 35505), (1035, 30771), (1053, 30245), (1315, 24219), (1495, 21303), (1755, 18147), (1863, 17095), (2367, 13455), (2691, 11835), (3105, 10257), (3419, 9315), (3945, 8073), (4485, 7101), (5265, 6049)]