2051216625

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{77041}}^1$

素因数の和:77130

約数の個数: 32

約数和(自身を含む): 3461342976

約数和(自身を除く): 1410126351

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 1065, 1775, 5325, 8875, 26625, 77041, 231123, 385205, 1155615, 1926025, 5469911, 5778075, 9630125, 16409733, 27349555, 28890375, 82048665, 136747775, 410243325, 683738875, 2051216625]

約数ペア:

[(1, 2051216625), (3, 683738875), (5, 410243325), (15, 136747775), (25, 82048665), (71, 28890375), (75, 27349555), (125, 16409733), (213, 9630125), (355, 5778075), (375, 5469911), (1065, 1926025), (1775, 1155615), (5325, 385205), (8875, 231123), (26625, 77041)]