307257145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 409014144

約数和(自身を除く): 101756999

約数列:

[1, 5, 13, 43, 65, 211, 215, 521, 559, 1055, 2605, 2743, 2795, 6773, 9073, 13715, 22403, 33865, 45365, 109931, 112015, 117949, 291239, 549655, 589745, 1429103, 1456195, 4727033, 7145515, 23635165, 61451429, 307257145]

約数ペア:

[(1, 307257145), (5, 61451429), (13, 23635165), (43, 7145515), (65, 4727033), (211, 1456195), (215, 1429103), (521, 589745), (559, 549655), (1055, 291239), (2605, 117949), (2743, 112015), (2795, 109931), (6773, 45365), (9073, 33865), (13715, 22403)]