13315225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6917}}^1$

素因数の和:6945

約数の個数: 24

約数和(自身を含む): 20587968

約数和(自身を除く): 7272743

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 6917, 34585, 48419, 76087, 172925, 242095, 380435, 532609, 1210475, 1902175, 2663045, 13315225]

約数ペア:

[(1, 13315225), (5, 2663045), (7, 1902175), (11, 1210475), (25, 532609), (35, 380435), (55, 242095), (77, 172925), (175, 76087), (275, 48419), (385, 34585), (1925, 6917)]