81571518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10613}}^1$

素因数の和:10689

約数の個数: 48

約数和(自身を含む): 205317216

約数和(自身を除く): 123745698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 7686, 10613, 21226, 31839, 63678, 74291, 95517, 148582, 191034, 222873, 445746, 647393, 668619, 1294786, 1337238, 1942179, 3884358, 4531751, 5826537, 9063502, 11653074, 13595253, 27190506, 40785759, 81571518]

約数ペア:

[(1, 81571518), (2, 40785759), (3, 27190506), (6, 13595253), (7, 11653074), (9, 9063502), (14, 5826537), (18, 4531751), (21, 3884358), (42, 1942179), (61, 1337238), (63, 1294786), (122, 668619), (126, 647393), (183, 445746), (366, 222873), (427, 191034), (549, 148582), (854, 95517), (1098, 74291), (1281, 63678), (2562, 31839), (3843, 21226), (7686, 10613)]