13356875

素因数分解:

$5^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 19793664

約数和(自身を除く): 6436789

約数列:

[1, 5, 7, 25, 35, 43, 71, 125, 175, 215, 301, 355, 497, 625, 875, 1075, 1505, 1775, 2485, 3053, 4375, 5375, 7525, 8875, 12425, 15265, 21371, 26875, 37625, 44375, 62125, 76325, 106855, 188125, 310625, 381625, 534275, 1908125, 2671375, 13356875]

約数ペア:

[(1, 13356875), (5, 2671375), (7, 1908125), (25, 534275), (35, 381625), (43, 310625), (71, 188125), (125, 106855), (175, 76325), (215, 62125), (301, 44375), (355, 37625), (497, 26875), (625, 21371), (875, 15265), (1075, 12425), (1505, 8875), (1775, 7525), (2485, 5375), (3053, 4375)]