679575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 1312416

約数和(自身を除く): 632841

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 41, 51, 65, 75, 85, 123, 195, 205, 221, 255, 325, 425, 533, 615, 663, 697, 975, 1025, 1105, 1275, 1599, 2091, 2665, 3075, 3315, 3485, 5525, 7995, 9061, 10455, 13325, 16575, 17425, 27183, 39975, 45305, 52275, 135915, 226525, 679575]

約数ペア:

[(1, 679575), (3, 226525), (5, 135915), (13, 52275), (15, 45305), (17, 39975), (25, 27183), (39, 17425), (41, 16575), (51, 13325), (65, 10455), (75, 9061), (85, 7995), (123, 5525), (195, 3485), (205, 3315), (221, 3075), (255, 2665), (325, 2091), (425, 1599), (533, 1275), (615, 1105), (663, 1025), (697, 975)]