2019021825

素因数分解:

$3^1\times 5^2\times {\mathrm{2621}}^1\times {\mathrm{10271}}^1$

素因数の和:12905

約数の個数: 24

約数和(自身を含む): 3339714816

約数和(自身を除く): 1320692991

約数列:

[1, 3, 5, 15, 25, 75, 2621, 7863, 10271, 13105, 30813, 39315, 51355, 65525, 154065, 196575, 256775, 770325, 26920291, 80760873, 134601455, 403804365, 673007275, 2019021825]

約数ペア:

[(1, 2019021825), (3, 673007275), (5, 403804365), (15, 134601455), (25, 80760873), (75, 26920291), (2621, 770325), (7863, 256775), (10271, 196575), (13105, 154065), (30813, 65525), (39315, 51355)]