27840725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3491}}^1$

素因数の和:3541

約数の個数: 24

約数和(自身を含む): 38970720

約数和(自身を除く): 11129995

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 3491, 7975, 17455, 38401, 87275, 101239, 192005, 506195, 960025, 1113629, 2530975, 5568145, 27840725]

約数ペア:

[(1, 27840725), (5, 5568145), (11, 2530975), (25, 1113629), (29, 960025), (55, 506195), (145, 192005), (275, 101239), (319, 87275), (725, 38401), (1595, 17455), (3491, 7975)]