56515761

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 89915904

約数和(自身を除く): 33400143

約数列:

[1, 3, 9, 23, 37, 47, 69, 111, 141, 157, 207, 333, 423, 471, 851, 1081, 1413, 1739, 2553, 3243, 3611, 5217, 5809, 7379, 7659, 9729, 10833, 15651, 17427, 22137, 32499, 39997, 52281, 66411, 119991, 133607, 169717, 273023, 359973, 400821, 509151, 819069, 1202463, 1527453, 2457207, 6279529, 18838587, 56515761]

約数ペア:

[(1, 56515761), (3, 18838587), (9, 6279529), (23, 2457207), (37, 1527453), (47, 1202463), (69, 819069), (111, 509151), (141, 400821), (157, 359973), (207, 273023), (333, 169717), (423, 133607), (471, 119991), (851, 66411), (1081, 52281), (1413, 39997), (1739, 32499), (2553, 22137), (3243, 17427), (3611, 15651), (5217, 10833), (5809, 9729), (7379, 7659)]