26564985

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 21657735

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 137, 139, 155, 279, 411, 417, 465, 685, 695, 1233, 1251, 1395, 2055, 2085, 4247, 4309, 6165, 6255, 12741, 12927, 19043, 21235, 21545, 38223, 38781, 57129, 63705, 64635, 95215, 171387, 191115, 193905, 285645, 590333, 856935, 1770999, 2951665, 5312997, 8854995, 26564985]

約数ペア:

[(1, 26564985), (3, 8854995), (5, 5312997), (9, 2951665), (15, 1770999), (31, 856935), (45, 590333), (93, 285645), (137, 193905), (139, 191115), (155, 171387), (279, 95215), (411, 64635), (417, 63705), (465, 57129), (685, 38781), (695, 38223), (1233, 21545), (1251, 21235), (1395, 19043), (2055, 12927), (2085, 12741), (4247, 6255), (4309, 6165)]