13017825

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1294

約数の個数: 36

約数和(自身を含む): 23831808

約数和(自身を除く): 10813983

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 1231, 2115, 3525, 3693, 6155, 10575, 11079, 18465, 30775, 55395, 57857, 92325, 173571, 276975, 289285, 520713, 867855, 1446425, 2603565, 4339275, 13017825]

約数ペア:

[(1, 13017825), (3, 4339275), (5, 2603565), (9, 1446425), (15, 867855), (25, 520713), (45, 289285), (47, 276975), (75, 173571), (141, 92325), (225, 57857), (235, 55395), (423, 30775), (705, 18465), (1175, 11079), (1231, 10575), (2115, 6155), (3525, 3693)]