866295

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 1677312

約数和(自身を除く): 811017

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 81, 93, 115, 135, 155, 207, 243, 279, 345, 405, 465, 621, 713, 837, 1035, 1215, 1395, 1863, 2139, 2511, 3105, 3565, 4185, 5589, 6417, 7533, 9315, 10695, 12555, 19251, 27945, 32085, 37665, 57753, 96255, 173259, 288765, 866295]

約数ペア:

[(1, 866295), (3, 288765), (5, 173259), (9, 96255), (15, 57753), (23, 37665), (27, 32085), (31, 27945), (45, 19251), (69, 12555), (81, 10695), (93, 9315), (115, 7533), (135, 6417), (155, 5589), (207, 4185), (243, 3565), (279, 3105), (345, 2511), (405, 2139), (465, 1863), (621, 1395), (713, 1215), (837, 1035)]