205366931

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 271696896

約数和(自身を除く): 66329965

約数列:

[1, 7, 11, 23, 61, 77, 161, 253, 427, 671, 1403, 1771, 1901, 4697, 9821, 13307, 15433, 20911, 43723, 108031, 115961, 146377, 306061, 480953, 811727, 1275571, 2667103, 3366671, 8928997, 18669721, 29338133, 205366931]

約数ペア:

[(1, 205366931), (7, 29338133), (11, 18669721), (23, 8928997), (61, 3366671), (77, 2667103), (161, 1275571), (253, 811727), (427, 480953), (671, 306061), (1403, 146377), (1771, 115961), (1901, 108031), (4697, 43723), (9821, 20911), (13307, 15433)]