202180779

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 340290720

約数和(自身を除く): 138109941

約数列:

[1, 3, 9, 17, 27, 29, 51, 61, 81, 83, 87, 153, 183, 249, 261, 459, 493, 549, 747, 783, 1037, 1377, 1411, 1479, 1647, 1769, 2241, 2349, 2407, 3111, 4233, 4437, 4941, 5063, 5307, 6723, 7221, 9333, 12699, 13311, 15189, 15921, 21663, 27999, 30073, 38097, 39933, 40919, 45567, 47763, 64989, 83997, 86071, 90219, 114291, 122757, 136701, 143289, 146827, 194967, 258213, 270657, 368271, 410103, 440481, 774639, 811971, 1104813, 1321443, 2323917, 2435913, 2496059, 3314439, 3964329, 6971751, 7488177, 11892987, 22464531, 67393593, 202180779]

約数ペア:

[(1, 202180779), (3, 67393593), (9, 22464531), (17, 11892987), (27, 7488177), (29, 6971751), (51, 3964329), (61, 3314439), (81, 2496059), (83, 2435913), (87, 2323917), (153, 1321443), (183, 1104813), (249, 811971), (261, 774639), (459, 440481), (493, 410103), (549, 368271), (747, 270657), (783, 258213), (1037, 194967), (1377, 146827), (1411, 143289), (1479, 136701), (1647, 122757), (1769, 114291), (2241, 90219), (2349, 86071), (2407, 83997), (3111, 64989), (4233, 47763), (4437, 45567), (4941, 40919), (5063, 39933), (5307, 38097), (6723, 30073), (7221, 27999), (9333, 21663), (12699, 15921), (13311, 15189)]