220172043

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 374528000

約数和(自身を除く): 154355957

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 109, 147, 151, 273, 327, 343, 453, 637, 763, 1029, 1057, 1417, 1911, 1963, 2289, 3171, 4251, 4459, 5341, 5889, 7399, 9919, 13377, 13741, 16023, 16459, 22197, 29757, 37387, 41223, 49377, 51793, 69433, 96187, 112161, 115213, 155379, 208299, 213967, 288561, 345639, 486031, 641901, 673309, 806491, 1458093, 1497769, 2019927, 2419473, 4493307, 5645437, 10484383, 16936311, 31453149, 73390681, 220172043]

約数ペア:

[(1, 220172043), (3, 73390681), (7, 31453149), (13, 16936311), (21, 10484383), (39, 5645437), (49, 4493307), (91, 2419473), (109, 2019927), (147, 1497769), (151, 1458093), (273, 806491), (327, 673309), (343, 641901), (453, 486031), (637, 345639), (763, 288561), (1029, 213967), (1057, 208299), (1417, 155379), (1911, 115213), (1963, 112161), (2289, 96187), (3171, 69433), (4251, 51793), (4459, 49377), (5341, 41223), (5889, 37387), (7399, 29757), (9919, 22197), (13377, 16459), (13741, 16023)]