720523089

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15131}}^1$

素因数の和:15198

約数の個数: 48

約数和(自身を含む): 1255834944

約数和(自身を除く): 535311855

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 407, 429, 481, 1221, 1287, 1443, 3663, 4329, 5291, 15131, 15873, 45393, 47619, 136179, 166441, 196703, 499323, 559847, 590109, 1497969, 1679541, 1770327, 2163733, 5038623, 6158317, 6491199, 7278011, 18474951, 19473597, 21834033, 55424853, 65502099, 80058121, 240174363, 720523089]

約数ペア:

[(1, 720523089), (3, 240174363), (9, 80058121), (11, 65502099), (13, 55424853), (33, 21834033), (37, 19473597), (39, 18474951), (99, 7278011), (111, 6491199), (117, 6158317), (143, 5038623), (333, 2163733), (407, 1770327), (429, 1679541), (481, 1497969), (1221, 590109), (1287, 559847), (1443, 499323), (3663, 196703), (4329, 166441), (5291, 136179), (15131, 47619), (15873, 45393)]