240697611

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20431}}^1$

素因数の和:20472

約数の個数: 48

約数和(自身を含む): 458984448

約数和(自身を除く): 218286837

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 3927, 11781, 20431, 61293, 143017, 183879, 224741, 347327, 429051, 674223, 1041981, 1287153, 1573187, 2022669, 2431289, 3125943, 3820597, 4719561, 7293867, 11461791, 14158683, 21881601, 26744179, 34385373, 80232537, 240697611]

約数ペア:

[(1, 240697611), (3, 80232537), (7, 34385373), (9, 26744179), (11, 21881601), (17, 14158683), (21, 11461791), (33, 7293867), (51, 4719561), (63, 3820597), (77, 3125943), (99, 2431289), (119, 2022669), (153, 1573187), (187, 1287153), (231, 1041981), (357, 674223), (561, 429051), (693, 347327), (1071, 224741), (1309, 183879), (1683, 143017), (3927, 61293), (11781, 20431)]