691020045

素因数分解:

$3^3\times 5^1\times {\mathrm{5118667}}^1$

素因数の和:5118681

約数の個数: 16

約数和(自身を含む): 1228480320

約数和(自身を除く): 537460275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 5118667, 15356001, 25593335, 46068003, 76780005, 138204009, 230340015, 691020045]

約数ペア:

[(1, 691020045), (3, 230340015), (5, 138204009), (9, 76780005), (15, 46068003), (27, 25593335), (45, 15356001), (135, 5118667)]