61541985

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 101207808

約数和(自身を除く): 39665823

約数列:

[1, 3, 5, 15, 61, 103, 183, 305, 309, 515, 653, 915, 1545, 1959, 3265, 6283, 9795, 18849, 31415, 39833, 67259, 94245, 119499, 199165, 201777, 336295, 597495, 1008885, 4102799, 12308397, 20513995, 61541985]

約数ペア:

[(1, 61541985), (3, 20513995), (5, 12308397), (15, 4102799), (61, 1008885), (103, 597495), (183, 336295), (305, 201777), (309, 199165), (515, 119499), (653, 94245), (915, 67259), (1545, 39833), (1959, 31415), (3265, 18849), (6283, 9795)]