31825215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 58339008

約数和(自身を除く): 26513793

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 97, 115, 207, 291, 317, 345, 485, 873, 951, 1035, 1455, 1585, 2231, 2853, 4365, 4755, 6693, 7291, 11155, 14265, 20079, 21873, 30749, 33465, 36455, 65619, 92247, 100395, 109365, 153745, 276741, 328095, 461235, 707227, 1383705, 2121681, 3536135, 6365043, 10608405, 31825215]

約数ペア:

[(1, 31825215), (3, 10608405), (5, 6365043), (9, 3536135), (15, 2121681), (23, 1383705), (45, 707227), (69, 461235), (97, 328095), (115, 276741), (207, 153745), (291, 109365), (317, 100395), (345, 92247), (485, 65619), (873, 36455), (951, 33465), (1035, 30749), (1455, 21873), (1585, 20079), (2231, 14265), (2853, 11155), (4365, 7291), (4755, 6693)]