12378195

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6397}}^1$

素因数の和:6451

約数の個数: 24

約数和(自身を含む): 21957936

約数和(自身を除く): 9579741

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6397, 19191, 31985, 57573, 95955, 275071, 287865, 825213, 1375355, 2475639, 4126065, 12378195]

約数ペア:

[(1, 12378195), (3, 4126065), (5, 2475639), (9, 1375355), (15, 825213), (43, 287865), (45, 275071), (129, 95955), (215, 57573), (387, 31985), (645, 19191), (1935, 6397)]