31212459

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1241

約数の個数: 40

約数和(自身を含む): 52010640

約数和(自身を除く): 20798181

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1193, 1377, 1539, 2907, 3579, 8721, 10737, 20281, 22667, 26163, 32211, 60843, 68001, 96633, 182529, 204003, 385339, 547587, 612009, 1156017, 1642761, 1836027, 3468051, 10404153, 31212459]

約数ペア:

[(1, 31212459), (3, 10404153), (9, 3468051), (17, 1836027), (19, 1642761), (27, 1156017), (51, 612009), (57, 547587), (81, 385339), (153, 204003), (171, 182529), (323, 96633), (459, 68001), (513, 60843), (969, 32211), (1193, 26163), (1377, 22667), (1539, 20281), (2907, 10737), (3579, 8721)]