2038725

素因数分解:

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

素因数の和:87

約数の個数: 72

約数和(自身を含む): 4265352

約数和(自身を除く): 2226627

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 41, 45, 51, 65, 75, 85, 117, 123, 153, 195, 205, 221, 225, 255, 325, 369, 425, 533, 585, 615, 663, 697, 765, 975, 1025, 1105, 1275, 1599, 1845, 1989, 2091, 2665, 2925, 3075, 3315, 3485, 3825, 4797, 5525, 6273, 7995, 9061, 9225, 9945, 10455, 13325, 16575, 17425, 23985, 27183, 31365, 39975, 45305, 49725, 52275, 81549, 119925, 135915, 156825, 226525, 407745, 679575, 2038725]

約数ペア:

[(1, 2038725), (3, 679575), (5, 407745), (9, 226525), (13, 156825), (15, 135915), (17, 119925), (25, 81549), (39, 52275), (41, 49725), (45, 45305), (51, 39975), (65, 31365), (75, 27183), (85, 23985), (117, 17425), (123, 16575), (153, 13325), (195, 10455), (205, 9945), (221, 9225), (225, 9061), (255, 7995), (325, 6273), (369, 5525), (425, 4797), (533, 3825), (585, 3485), (615, 3315), (663, 3075), (697, 2925), (765, 2665), (975, 2091), (1025, 1989), (1105, 1845), (1275, 1599)]