123320275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{619}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 165215120

約数和(自身を除く): 41894845

約数列:

[1, 5, 13, 25, 65, 325, 613, 619, 3065, 3095, 7969, 8047, 15325, 15475, 39845, 40235, 199225, 201175, 379447, 1897235, 4932811, 9486175, 24664055, 123320275]

約数ペア:

[(1, 123320275), (5, 24664055), (13, 9486175), (25, 4932811), (65, 1897235), (325, 379447), (613, 201175), (619, 199225), (3065, 40235), (3095, 39845), (7969, 15475), (8047, 15325)]