68481315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{72467}}^1$

素因数の和:72488

約数の個数: 32

約数和(自身を含む): 139138560

約数和(自身を除く): 70657245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 72467, 217401, 362335, 507269, 652203, 1087005, 1521807, 1956609, 2536345, 3261015, 4565421, 7609035, 9783045, 13696263, 22827105, 68481315]

約数ペア:

[(1, 68481315), (3, 22827105), (5, 13696263), (7, 9783045), (9, 7609035), (15, 4565421), (21, 3261015), (27, 2536345), (35, 1956609), (45, 1521807), (63, 1087005), (105, 652203), (135, 507269), (189, 362335), (315, 217401), (945, 72467)]