2111655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 4506192

約数和(自身を除く): 2394537

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 49, 51, 65, 85, 91, 105, 119, 147, 169, 195, 221, 245, 255, 273, 357, 455, 507, 595, 637, 663, 735, 833, 845, 1105, 1183, 1365, 1547, 1785, 1911, 2499, 2535, 2873, 3185, 3315, 3549, 4165, 4641, 5915, 7735, 8281, 8619, 9555, 10829, 12495, 14365, 17745, 20111, 23205, 24843, 32487, 41405, 43095, 54145, 60333, 100555, 124215, 140777, 162435, 301665, 422331, 703885, 2111655]

約数ペア:

[(1, 2111655), (3, 703885), (5, 422331), (7, 301665), (13, 162435), (15, 140777), (17, 124215), (21, 100555), (35, 60333), (39, 54145), (49, 43095), (51, 41405), (65, 32487), (85, 24843), (91, 23205), (105, 20111), (119, 17745), (147, 14365), (169, 12495), (195, 10829), (221, 9555), (245, 8619), (255, 8281), (273, 7735), (357, 5915), (455, 4641), (507, 4165), (595, 3549), (637, 3315), (663, 3185), (735, 2873), (833, 2535), (845, 2499), (1105, 1911), (1183, 1785), (1365, 1547)]