27981252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3517}}^1$

素因数の和:3557

約数の個数: 72

約数和(自身を含む): 80674776

約数和(自身を除く): 52693524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3517, 3978, 7034, 7956, 10551, 14068, 21102, 31653, 42204, 45721, 59789, 63306, 91442, 119578, 126612, 137163, 179367, 182884, 239156, 274326, 358734, 411489, 538101, 548652, 717468, 777257, 822978, 1076202, 1554514, 1645956, 2152404, 2331771, 3109028, 4663542, 6995313, 9327084, 13990626, 27981252]

約数ペア:

[(1, 27981252), (2, 13990626), (3, 9327084), (4, 6995313), (6, 4663542), (9, 3109028), (12, 2331771), (13, 2152404), (17, 1645956), (18, 1554514), (26, 1076202), (34, 822978), (36, 777257), (39, 717468), (51, 548652), (52, 538101), (68, 411489), (78, 358734), (102, 274326), (117, 239156), (153, 182884), (156, 179367), (204, 137163), (221, 126612), (234, 119578), (306, 91442), (442, 63306), (468, 59789), (612, 45721), (663, 42204), (884, 31653), (1326, 21102), (1989, 14068), (2652, 10551), (3517, 7956), (3978, 7034)]