81551358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1049}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 202456800

約数和(自身を除く): 120905442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 617, 1049, 1234, 1851, 2098, 3147, 3702, 4319, 5553, 6294, 7343, 8638, 9441, 11106, 12957, 14686, 18882, 22029, 25914, 38871, 44058, 66087, 77742, 132174, 647233, 1294466, 1941699, 3883398, 4530631, 5825097, 9061262, 11650194, 13591893, 27183786, 40775679, 81551358]

約数ペア:

[(1, 81551358), (2, 40775679), (3, 27183786), (6, 13591893), (7, 11650194), (9, 9061262), (14, 5825097), (18, 4530631), (21, 3883398), (42, 1941699), (63, 1294466), (126, 647233), (617, 132174), (1049, 77742), (1234, 66087), (1851, 44058), (2098, 38871), (3147, 25914), (3702, 22029), (4319, 18882), (5553, 14686), (6294, 12957), (7343, 11106), (8638, 9441)]