207911925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71081}}^1$

素因数の和:71110

約数の個数: 36

約数和(自身を含む): 401044644

約数和(自身を除く): 193132719

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 71081, 213243, 355405, 639729, 924053, 1066215, 1777025, 2772159, 3198645, 4620265, 5331075, 8316477, 13860795, 15993225, 23101325, 41582385, 69303975, 207911925]

約数ペア:

[(1, 207911925), (3, 69303975), (5, 41582385), (9, 23101325), (13, 15993225), (15, 13860795), (25, 8316477), (39, 5331075), (45, 4620265), (65, 3198645), (75, 2772159), (117, 1777025), (195, 1066215), (225, 924053), (325, 639729), (585, 355405), (975, 213243), (2925, 71081)]