121766421

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43597}}^1$

素因数の和:43633

約数の個数: 24

約数和(自身を含む): 198806880

約数和(自身を除く): 77040459

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 43597, 130791, 305179, 828343, 915537, 2136253, 2485029, 5798401, 6408759, 17395203, 40588807, 121766421]

約数ペア:

[(1, 121766421), (3, 40588807), (7, 17395203), (19, 6408759), (21, 5798401), (49, 2485029), (57, 2136253), (133, 915537), (147, 828343), (399, 305179), (931, 130791), (2793, 43597)]