381195

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 679536

約数和(自身を除く): 298341

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 197, 215, 387, 591, 645, 985, 1773, 1935, 2955, 8471, 8865, 25413, 42355, 76239, 127065, 381195]

約数ペア:

[(1, 381195), (3, 127065), (5, 76239), (9, 42355), (15, 25413), (43, 8865), (45, 8471), (129, 2955), (197, 1935), (215, 1773), (387, 985), (591, 645)]