191717721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 318938256

約数和(自身を除く): 127220535

約数列:

[1, 3, 9, 13, 17, 39, 51, 113, 117, 153, 221, 339, 663, 853, 1017, 1469, 1921, 1989, 2559, 4407, 5763, 7677, 11089, 13221, 14501, 17289, 24973, 33267, 43503, 74919, 96389, 99801, 130509, 188513, 224757, 289167, 565539, 867501, 1253057, 1638613, 1696617, 3759171, 4915839, 11277513, 14747517, 21301969, 63905907, 191717721]

約数ペア:

[(1, 191717721), (3, 63905907), (9, 21301969), (13, 14747517), (17, 11277513), (39, 4915839), (51, 3759171), (113, 1696617), (117, 1638613), (153, 1253057), (221, 867501), (339, 565539), (663, 289167), (853, 224757), (1017, 188513), (1469, 130509), (1921, 99801), (1989, 96389), (2559, 74919), (4407, 43503), (5763, 33267), (7677, 24973), (11089, 17289), (13221, 14501)]