82169619

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 136515456

約数和(自身を除く): 54345837

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 131, 147, 251, 357, 393, 753, 833, 917, 1757, 2227, 2499, 2751, 4267, 5271, 6419, 6681, 12299, 12801, 15589, 19257, 29869, 32881, 36897, 46767, 89607, 98643, 109123, 209083, 230167, 327369, 558977, 627249, 690501, 1611169, 1676931, 3912839, 4833507, 11738517, 27389873, 82169619]

約数ペア:

[(1, 82169619), (3, 27389873), (7, 11738517), (17, 4833507), (21, 3912839), (49, 1676931), (51, 1611169), (119, 690501), (131, 627249), (147, 558977), (251, 327369), (357, 230167), (393, 209083), (753, 109123), (833, 98643), (917, 89607), (1757, 46767), (2227, 36897), (2499, 32881), (2751, 29869), (4267, 19257), (5271, 15589), (6419, 12801), (6681, 12299)]