201380985

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1716

約数の個数: 80

約数和(自身を含む): 405909504

約数和(自身を除く): 204528519

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 81, 115, 117, 135, 195, 207, 299, 345, 351, 405, 585, 621, 897, 1035, 1053, 1495, 1663, 1755, 1863, 2691, 3105, 4485, 4989, 5265, 8073, 8315, 9315, 13455, 14967, 21619, 24219, 24945, 38249, 40365, 44901, 64857, 74835, 108095, 114747, 121095, 134703, 191245, 194571, 224505, 324285, 344241, 497237, 573735, 583713, 673515, 972855, 1032723, 1491711, 1721205, 1751139, 2486185, 2918565, 3098169, 4475133, 5163615, 7458555, 8755695, 13425399, 15490845, 22375665, 40276197, 67126995, 201380985]

約数ペア:

[(1, 201380985), (3, 67126995), (5, 40276197), (9, 22375665), (13, 15490845), (15, 13425399), (23, 8755695), (27, 7458555), (39, 5163615), (45, 4475133), (65, 3098169), (69, 2918565), (81, 2486185), (115, 1751139), (117, 1721205), (135, 1491711), (195, 1032723), (207, 972855), (299, 673515), (345, 583713), (351, 573735), (405, 497237), (585, 344241), (621, 324285), (897, 224505), (1035, 194571), (1053, 191245), (1495, 134703), (1663, 121095), (1755, 114747), (1863, 108095), (2691, 74835), (3105, 64857), (4485, 44901), (4989, 40365), (5265, 38249), (8073, 24945), (8315, 24219), (9315, 21619), (13455, 14967)]