311156727

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{727}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 482227200

約数和(自身を除く): 171070473

約数列:

[1, 3, 7, 21, 89, 229, 267, 623, 687, 727, 1603, 1869, 2181, 4809, 5089, 15267, 20381, 61143, 64703, 142667, 166483, 194109, 428001, 452921, 499449, 1165381, 1358763, 3496143, 14816987, 44450961, 103718909, 311156727]

約数ペア:

[(1, 311156727), (3, 103718909), (7, 44450961), (21, 14816987), (89, 3496143), (229, 1358763), (267, 1165381), (623, 499449), (687, 452921), (727, 428001), (1603, 194109), (1869, 166483), (2181, 142667), (4809, 64703), (5089, 61143), (15267, 20381)]