12000225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 20640048

約数和(自身を除く): 8639823

約数列:

[1, 3, 5, 15, 25, 43, 61, 75, 129, 183, 215, 305, 645, 915, 1075, 1525, 2623, 3225, 3721, 4575, 7869, 11163, 13115, 18605, 39345, 55815, 65575, 93025, 160003, 196725, 279075, 480009, 800015, 2400045, 4000075, 12000225]

約数ペア:

[(1, 12000225), (3, 4000075), (5, 2400045), (15, 800015), (25, 480009), (43, 279075), (61, 196725), (75, 160003), (129, 93025), (183, 65575), (215, 55815), (305, 39345), (645, 18605), (915, 13115), (1075, 11163), (1525, 7869), (2623, 4575), (3225, 3721)]