84991959

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 149020560

約数和(自身を除く): 64028601

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 169, 171, 173, 221, 247, 323, 507, 519, 663, 741, 969, 1521, 1557, 1989, 2223, 2249, 2873, 2907, 2941, 3211, 3287, 4199, 6747, 8619, 8823, 9633, 9861, 12597, 20241, 25857, 26469, 28899, 29237, 29583, 37791, 38233, 42731, 54587, 55879, 87711, 114699, 128193, 163761, 167637, 263133, 344097, 384579, 491283, 497029, 502911, 555503, 726427, 1491087, 1666509, 2179281, 4473261, 4999527, 6537843, 9443551, 28330653, 84991959]

約数ペア:

[(1, 84991959), (3, 28330653), (9, 9443551), (13, 6537843), (17, 4999527), (19, 4473261), (39, 2179281), (51, 1666509), (57, 1491087), (117, 726427), (153, 555503), (169, 502911), (171, 497029), (173, 491283), (221, 384579), (247, 344097), (323, 263133), (507, 167637), (519, 163761), (663, 128193), (741, 114699), (969, 87711), (1521, 55879), (1557, 54587), (1989, 42731), (2223, 38233), (2249, 37791), (2873, 29583), (2907, 29237), (2941, 28899), (3211, 26469), (3287, 25857), (4199, 20241), (6747, 12597), (8619, 9861), (8823, 9633)]