217635159

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1697}}^1$

素因数の和:1935

約数の個数: 32

約数和(自身を含む): 344272896

約数和(自身を除く): 126637737

約数列:

[1, 3, 7, 21, 31, 93, 197, 217, 591, 651, 1379, 1697, 4137, 5091, 6107, 11879, 18321, 35637, 42749, 52607, 128247, 157821, 334309, 368249, 1002927, 1104747, 2340163, 7020489, 10363579, 31090737, 72545053, 217635159]

約数ペア:

[(1, 217635159), (3, 72545053), (7, 31090737), (21, 10363579), (31, 7020489), (93, 2340163), (197, 1104747), (217, 1002927), (591, 368249), (651, 334309), (1379, 157821), (1697, 128247), (4137, 52607), (5091, 42749), (6107, 35637), (11879, 18321)]