1664456445

素因数分解:

$3^6\times 5^1\times {\mathrm{456641}}^1$

素因数の和:456664

約数の個数: 28

約数和(自身を含む): 2994658236

約数和(自身を除く): 1330201791

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 456641, 1369923, 2283205, 4109769, 6849615, 12329307, 20548845, 36987921, 61646535, 110963763, 184939605, 332891289, 554818815, 1664456445]

約数ペア:

[(1, 1664456445), (3, 554818815), (5, 332891289), (9, 184939605), (15, 110963763), (27, 61646535), (45, 36987921), (81, 20548845), (135, 12329307), (243, 6849615), (405, 4109769), (729, 2283205), (1215, 1369923), (3645, 456641)]