217420623

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{8693}}^1$

素因数の和:9103

約数の個数: 24

約数和(自身を含む): 359862048

約数和(自身を除く): 142441425

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 8337, 8693, 25011, 26079, 60851, 78237, 182553, 547659, 3451121, 10353363, 24157847, 31060089, 72473541, 217420623]

約数ペア:

[(1, 217420623), (3, 72473541), (7, 31060089), (9, 24157847), (21, 10353363), (63, 3451121), (397, 547659), (1191, 182553), (2779, 78237), (3573, 60851), (8337, 26079), (8693, 25011)]