219267105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{19997}}^1$

素因数の和:20065

約数の個数: 32

約数和(自身を含む): 380121984

約数和(自身を除く): 160854879

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 19997, 59991, 99985, 299955, 339949, 859871, 1019847, 1699745, 2579613, 4299355, 5099235, 12898065, 14617807, 43853421, 73089035, 219267105]

約数ペア:

[(1, 219267105), (3, 73089035), (5, 43853421), (15, 14617807), (17, 12898065), (43, 5099235), (51, 4299355), (85, 2579613), (129, 1699745), (215, 1019847), (255, 859871), (645, 339949), (731, 299955), (2193, 99985), (3655, 59991), (10965, 19997)]