168658839

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 280062432

約数和(自身を除く): 111403593

約数列:

[1, 3, 9, 19, 23, 37, 57, 61, 69, 111, 171, 183, 207, 333, 361, 437, 549, 703, 851, 1083, 1159, 1311, 1403, 2109, 2257, 2553, 3249, 3477, 3933, 4209, 6327, 6771, 7659, 8303, 10431, 12627, 13357, 16169, 20313, 22021, 24909, 26657, 40071, 42883, 48507, 51911, 66063, 74727, 79971, 120213, 128649, 145521, 155733, 198189, 239913, 307211, 385947, 467199, 506483, 814777, 921633, 986309, 1519449, 2444331, 2764899, 2958927, 4558347, 7332993, 8876781, 18739871, 56219613, 168658839]

約数ペア:

[(1, 168658839), (3, 56219613), (9, 18739871), (19, 8876781), (23, 7332993), (37, 4558347), (57, 2958927), (61, 2764899), (69, 2444331), (111, 1519449), (171, 986309), (183, 921633), (207, 814777), (333, 506483), (361, 467199), (437, 385947), (549, 307211), (703, 239913), (851, 198189), (1083, 155733), (1159, 145521), (1311, 128649), (1403, 120213), (2109, 79971), (2257, 74727), (2553, 66063), (3249, 51911), (3477, 48507), (3933, 42883), (4209, 40071), (6327, 26657), (6771, 24909), (7659, 22021), (8303, 20313), (10431, 16169), (12627, 13357)]