17982363

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 28112400

約数和(自身を除く): 10130037

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 821, 1043, 2463, 3129, 5747, 7301, 17241, 21903, 40229, 120687, 122329, 366987, 856303, 2568909, 5994121, 17982363]

約数ペア:

[(1, 17982363), (3, 5994121), (7, 2568909), (21, 856303), (49, 366987), (147, 122329), (149, 120687), (447, 40229), (821, 21903), (1043, 17241), (2463, 7301), (3129, 5747)]