427668813

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 774688824

約数和(自身を除く): 347020011

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 121, 143, 153, 187, 221, 363, 429, 561, 663, 1089, 1287, 1573, 1683, 1777, 1989, 2057, 2431, 4719, 5331, 6171, 7293, 14157, 15993, 18513, 19547, 21879, 23101, 26741, 30209, 58641, 69303, 80223, 90627, 175923, 207909, 215017, 240669, 254111, 271881, 332299, 392717, 645051, 762333, 996897, 1178151, 1935153, 2286999, 2795221, 2990691, 3534453, 3655289, 4319887, 8385663, 10965867, 12959661, 25156989, 32897601, 38878983, 47518757, 142556271, 427668813]

約数ペア:

[(1, 427668813), (3, 142556271), (9, 47518757), (11, 38878983), (13, 32897601), (17, 25156989), (33, 12959661), (39, 10965867), (51, 8385663), (99, 4319887), (117, 3655289), (121, 3534453), (143, 2990691), (153, 2795221), (187, 2286999), (221, 1935153), (363, 1178151), (429, 996897), (561, 762333), (663, 645051), (1089, 392717), (1287, 332299), (1573, 271881), (1683, 254111), (1777, 240669), (1989, 215017), (2057, 207909), (2431, 175923), (4719, 90627), (5331, 80223), (6171, 69303), (7293, 58641), (14157, 30209), (15993, 26741), (18513, 23101), (19547, 21879)]