18316375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 28881216

約数和(自身を除く): 10564841

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 125, 173, 175, 275, 385, 605, 847, 865, 875, 1211, 1375, 1903, 1925, 3025, 4235, 4325, 6055, 9515, 9625, 13321, 15125, 20933, 21175, 21625, 30275, 47575, 66605, 104665, 105875, 146531, 151375, 237875, 333025, 523325, 732655, 1665125, 2616625, 3663275, 18316375]

約数ペア:

[(1, 18316375), (5, 3663275), (7, 2616625), (11, 1665125), (25, 732655), (35, 523325), (55, 333025), (77, 237875), (121, 151375), (125, 146531), (173, 105875), (175, 104665), (275, 66605), (385, 47575), (605, 30275), (847, 21625), (865, 21175), (875, 20933), (1211, 15125), (1375, 13321), (1903, 9625), (1925, 9515), (3025, 6055), (4235, 4325)]