31071843

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 51877056

約数和(自身を除く): 20805213

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 387, 473, 811, 891, 1161, 1419, 2433, 3483, 4257, 7299, 8921, 12771, 21897, 26763, 34873, 38313, 65691, 80289, 104619, 240867, 313857, 383603, 722601, 941571, 1150809, 2824713, 3452427, 10357281, 31071843]

約数ペア:

[(1, 31071843), (3, 10357281), (9, 3452427), (11, 2824713), (27, 1150809), (33, 941571), (43, 722601), (81, 383603), (99, 313857), (129, 240867), (297, 104619), (387, 80289), (473, 65691), (811, 38313), (891, 34873), (1161, 26763), (1419, 21897), (2433, 12771), (3483, 8921), (4257, 7299)]