248936499

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{207967}}^1$

素因数の和:207999

約数の個数: 24

約数和(自身を含む): 432573440

約数和(自身を除く): 183636941

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 207967, 623901, 1455769, 1871703, 3951373, 4367307, 11854119, 13101921, 27659611, 35562357, 82978833, 248936499]

約数ペア:

[(1, 248936499), (3, 82978833), (7, 35562357), (9, 27659611), (19, 13101921), (21, 11854119), (57, 4367307), (63, 3951373), (133, 1871703), (171, 1455769), (399, 623901), (1197, 207967)]