13517905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 4480943

約数列:

[1, 5, 23, 41, 47, 61, 115, 205, 235, 305, 943, 1081, 1403, 1927, 2501, 2867, 4715, 5405, 7015, 9635, 12505, 14335, 44321, 57523, 65941, 117547, 221605, 287615, 329705, 587735, 2703581, 13517905]

約数ペア:

[(1, 13517905), (5, 2703581), (23, 587735), (41, 329705), (47, 287615), (61, 221605), (115, 117547), (205, 65941), (235, 57523), (305, 44321), (943, 14335), (1081, 12505), (1403, 9635), (1927, 7015), (2501, 5405), (2867, 4715)]