279779619

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{3137}}^1$

素因数の和:3315

約数の個数: 32

約数和(自身を含む): 443437056

約数和(自身を除く): 163657437

約数列:

[1, 3, 7, 21, 31, 93, 137, 217, 411, 651, 959, 2877, 3137, 4247, 9411, 12741, 21959, 29729, 65877, 89187, 97247, 291741, 429769, 680729, 1289307, 2042187, 3008383, 9025149, 13322839, 39968517, 93259873, 279779619]

約数ペア:

[(1, 279779619), (3, 93259873), (7, 39968517), (21, 13322839), (31, 9025149), (93, 3008383), (137, 2042187), (217, 1289307), (411, 680729), (651, 429769), (959, 291741), (2877, 97247), (3137, 89187), (4247, 65877), (9411, 29729), (12741, 21959)]