83208375

素因数分解:

$3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 48

約数和(自身を含む): 154128000

約数和(自身を除く): 70919625

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 185, 225, 333, 375, 555, 925, 1125, 1665, 1999, 2775, 4625, 5997, 8325, 9995, 13875, 17991, 29985, 41625, 49975, 73963, 89955, 149925, 221889, 249875, 369815, 449775, 665667, 749625, 1109445, 1849075, 2248875, 3328335, 5547225, 9245375, 16641675, 27736125, 83208375]

約数ペア:

[(1, 83208375), (3, 27736125), (5, 16641675), (9, 9245375), (15, 5547225), (25, 3328335), (37, 2248875), (45, 1849075), (75, 1109445), (111, 749625), (125, 665667), (185, 449775), (225, 369815), (333, 249875), (375, 221889), (555, 149925), (925, 89955), (1125, 73963), (1665, 49975), (1999, 41625), (2775, 29985), (4625, 17991), (5997, 13875), (8325, 9995)]