207958191

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 334785792

約数和(自身を除く): 126827601

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 137, 287, 301, 411, 861, 903, 959, 1681, 1763, 2877, 5043, 5289, 5617, 5891, 11767, 12341, 16851, 17673, 35301, 37023, 39319, 41237, 72283, 117957, 123711, 216849, 230297, 241531, 505981, 690891, 724593, 1517943, 1612079, 1690717, 4836237, 5072151, 9902771, 29708313, 69319397, 207958191]

約数ペア:

[(1, 207958191), (3, 69319397), (7, 29708313), (21, 9902771), (41, 5072151), (43, 4836237), (123, 1690717), (129, 1612079), (137, 1517943), (287, 724593), (301, 690891), (411, 505981), (861, 241531), (903, 230297), (959, 216849), (1681, 123711), (1763, 117957), (2877, 72283), (5043, 41237), (5289, 39319), (5617, 37023), (5891, 35301), (11767, 17673), (12341, 16851)]