81026355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 145981440

約数和(自身を除く): 64955085

約数列:

[1, 3, 5, 15, 19, 23, 47, 57, 69, 95, 115, 141, 235, 263, 285, 345, 437, 705, 789, 893, 1081, 1311, 1315, 2185, 2679, 3243, 3945, 4465, 4997, 5405, 6049, 6555, 12361, 13395, 14991, 16215, 18147, 20539, 24985, 30245, 37083, 61617, 61805, 74955, 90735, 102695, 114931, 185415, 234859, 284303, 308085, 344793, 574655, 704577, 852909, 1174295, 1421515, 1723965, 3522885, 4264545, 5401757, 16205271, 27008785, 81026355]

約数ペア:

[(1, 81026355), (3, 27008785), (5, 16205271), (15, 5401757), (19, 4264545), (23, 3522885), (47, 1723965), (57, 1421515), (69, 1174295), (95, 852909), (115, 704577), (141, 574655), (235, 344793), (263, 308085), (285, 284303), (345, 234859), (437, 185415), (705, 114931), (789, 102695), (893, 90735), (1081, 74955), (1311, 61805), (1315, 61617), (2185, 37083), (2679, 30245), (3243, 24985), (3945, 20539), (4465, 18147), (4997, 16215), (5405, 14991), (6049, 13395), (6555, 12361)]