1830725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 2520672

約数和(自身を除く): 689947

約数列:

[1, 5, 13, 25, 43, 65, 131, 215, 325, 559, 655, 1075, 1703, 2795, 3275, 5633, 8515, 13975, 28165, 42575, 73229, 140825, 366145, 1830725]

約数ペア:

[(1, 1830725), (5, 366145), (13, 140825), (25, 73229), (43, 42575), (65, 28165), (131, 13975), (215, 8515), (325, 5633), (559, 3275), (655, 2795), (1075, 1703)]