31808655

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 58458816

約数和(自身を除く): 26650161

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 421, 657, 1035, 1095, 1263, 1679, 2105, 3285, 3789, 5037, 6315, 8395, 9683, 15111, 18945, 25185, 29049, 30733, 48415, 75555, 87147, 92199, 145245, 153665, 276597, 435735, 460995, 706859, 1382985, 2120577, 3534295, 6361731, 10602885, 31808655]

約数ペア:

[(1, 31808655), (3, 10602885), (5, 6361731), (9, 3534295), (15, 2120577), (23, 1382985), (45, 706859), (69, 460995), (73, 435735), (115, 276597), (207, 153665), (219, 145245), (345, 92199), (365, 87147), (421, 75555), (657, 48415), (1035, 30733), (1095, 29049), (1263, 25185), (1679, 18945), (2105, 15111), (3285, 9683), (3789, 8395), (5037, 6315)]