220171653

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 354594240

約数和(自身を除く): 134422587

約数列:

[1, 3, 9, 13, 39, 43, 107, 117, 129, 321, 387, 409, 559, 963, 1227, 1391, 1677, 3681, 4173, 4601, 5031, 5317, 12519, 13803, 15951, 17587, 41409, 43763, 47853, 52761, 59813, 131289, 158283, 179439, 228631, 393867, 538317, 568919, 685893, 1706757, 1881809, 2057679, 5120271, 5645427, 16936281, 24463517, 73390551, 220171653]

約数ペア:

[(1, 220171653), (3, 73390551), (9, 24463517), (13, 16936281), (39, 5645427), (43, 5120271), (107, 2057679), (117, 1881809), (129, 1706757), (321, 685893), (387, 568919), (409, 538317), (559, 393867), (963, 228631), (1227, 179439), (1391, 158283), (1677, 131289), (3681, 59813), (4173, 52761), (4601, 47853), (5031, 43763), (5317, 41409), (12519, 17587), (13803, 15951)]