12905375

素因数分解:

$5^3\times 7^4\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 40

約数和(自身を含む): 19226064

約数和(自身を除く): 6320689

約数列:

[1, 5, 7, 25, 35, 43, 49, 125, 175, 215, 245, 301, 343, 875, 1075, 1225, 1505, 1715, 2107, 2401, 5375, 6125, 7525, 8575, 10535, 12005, 14749, 37625, 42875, 52675, 60025, 73745, 103243, 263375, 300125, 368725, 516215, 1843625, 2581075, 12905375]

約数ペア:

[(1, 12905375), (5, 2581075), (7, 1843625), (25, 516215), (35, 368725), (43, 300125), (49, 263375), (125, 103243), (175, 73745), (215, 60025), (245, 52675), (301, 42875), (343, 37625), (875, 14749), (1075, 12005), (1225, 10535), (1505, 8575), (1715, 7525), (2107, 6125), (2401, 5375)]