25065831

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 15023769

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 521, 553, 609, 1563, 1659, 2291, 3647, 6873, 10941, 15109, 16037, 41159, 45327, 48111, 105763, 123477, 288113, 317289, 864339, 1193611, 3580833, 8355277, 25065831]

約数ペア:

[(1, 25065831), (3, 8355277), (7, 3580833), (21, 1193611), (29, 864339), (79, 317289), (87, 288113), (203, 123477), (237, 105763), (521, 48111), (553, 45327), (609, 41159), (1563, 16037), (1659, 15109), (2291, 10941), (3647, 6873)]