28746765

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6869}}^1$

素因数の和:6914

約数の個数: 32

約数和(自身を含む): 52761600

約数和(自身を除く): 24014835

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 6869, 20607, 34345, 61821, 103035, 185463, 212939, 309105, 638817, 927315, 1064695, 1916451, 3194085, 5749353, 9582255, 28746765]

約数ペア:

[(1, 28746765), (3, 9582255), (5, 5749353), (9, 3194085), (15, 1916451), (27, 1064695), (31, 927315), (45, 638817), (93, 309105), (135, 212939), (155, 185463), (279, 103035), (465, 61821), (837, 34345), (1395, 20607), (4185, 6869)]