2761395

素因数分解:

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

素因数の和:69

約数の個数: 72

約数和(自身を含む): 5879664

約数和(自身を除く): 3118269

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 49, 51, 65, 85, 91, 105, 119, 147, 195, 221, 245, 255, 273, 289, 357, 455, 595, 637, 663, 735, 833, 867, 1105, 1365, 1445, 1547, 1785, 1911, 2023, 2499, 3185, 3315, 3757, 4165, 4335, 4641, 6069, 7735, 9555, 10115, 10829, 11271, 12495, 14161, 18785, 23205, 26299, 30345, 32487, 42483, 54145, 56355, 70805, 78897, 131495, 162435, 184093, 212415, 394485, 552279, 920465, 2761395]

約数ペア:

[(1, 2761395), (3, 920465), (5, 552279), (7, 394485), (13, 212415), (15, 184093), (17, 162435), (21, 131495), (35, 78897), (39, 70805), (49, 56355), (51, 54145), (65, 42483), (85, 32487), (91, 30345), (105, 26299), (119, 23205), (147, 18785), (195, 14161), (221, 12495), (245, 11271), (255, 10829), (273, 10115), (289, 9555), (357, 7735), (455, 6069), (595, 4641), (637, 4335), (663, 4165), (735, 3757), (833, 3315), (867, 3185), (1105, 2499), (1365, 2023), (1445, 1911), (1547, 1785)]