140590845

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 251609904

約数和(自身を除く): 111019059

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 181, 205, 369, 421, 543, 615, 905, 1263, 1629, 1845, 2105, 2715, 3789, 6315, 7421, 8145, 17261, 18945, 22263, 37105, 51783, 66789, 76201, 86305, 111315, 155349, 228603, 258915, 333945, 381005, 685809, 776745, 1143015, 3124241, 3429045, 9372723, 15621205, 28118169, 46863615, 140590845]

約数ペア:

[(1, 140590845), (3, 46863615), (5, 28118169), (9, 15621205), (15, 9372723), (41, 3429045), (45, 3124241), (123, 1143015), (181, 776745), (205, 685809), (369, 381005), (421, 333945), (543, 258915), (615, 228603), (905, 155349), (1263, 111315), (1629, 86305), (1845, 76201), (2105, 66789), (2715, 51783), (3789, 37105), (6315, 22263), (7421, 18945), (8145, 17261)]