81516078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{569}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 207936000

約数和(自身を除く): 126419922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 379, 569, 758, 1137, 1138, 1707, 2274, 2653, 3411, 3414, 3983, 5121, 5306, 6822, 7959, 7966, 10233, 10242, 11949, 15363, 15918, 20466, 23877, 23898, 30726, 35847, 47754, 71631, 71694, 107541, 143262, 215082, 215651, 431302, 646953, 1293906, 1509557, 1940859, 3019114, 3881718, 4528671, 5822577, 9057342, 11645154, 13586013, 27172026, 40758039, 81516078]

約数ペア:

[(1, 81516078), (2, 40758039), (3, 27172026), (6, 13586013), (7, 11645154), (9, 9057342), (14, 5822577), (18, 4528671), (21, 3881718), (27, 3019114), (42, 1940859), (54, 1509557), (63, 1293906), (126, 646953), (189, 431302), (378, 215651), (379, 215082), (569, 143262), (758, 107541), (1137, 71694), (1138, 71631), (1707, 47754), (2274, 35847), (2653, 30726), (3411, 23898), (3414, 23877), (3983, 20466), (5121, 15918), (5306, 15363), (6822, 11949), (7959, 10242), (7966, 10233)]