205707837

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 305240832

約数和(自身を除く): 99532995

約数列:

[1, 3, 17, 23, 51, 69, 157, 391, 471, 1117, 1173, 2669, 3351, 3611, 8007, 10833, 18989, 25691, 56967, 61387, 77073, 175369, 184161, 436747, 526107, 1310241, 2981273, 4033487, 8943819, 12100461, 68569279, 205707837]

約数ペア:

[(1, 205707837), (3, 68569279), (17, 12100461), (23, 8943819), (51, 4033487), (69, 2981273), (157, 1310241), (391, 526107), (471, 436747), (1117, 184161), (1173, 175369), (2669, 77073), (3351, 61387), (3611, 56967), (8007, 25691), (10833, 18989)]