2171325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 4124736

約数和(自身を除く): 1953411

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 131, 195, 221, 255, 325, 393, 425, 655, 663, 975, 1105, 1275, 1703, 1965, 2227, 3275, 3315, 5109, 5525, 6681, 8515, 9825, 11135, 16575, 25545, 28951, 33405, 42575, 55675, 86853, 127725, 144755, 167025, 434265, 723775, 2171325]

約数ペア:

[(1, 2171325), (3, 723775), (5, 434265), (13, 167025), (15, 144755), (17, 127725), (25, 86853), (39, 55675), (51, 42575), (65, 33405), (75, 28951), (85, 25545), (131, 16575), (195, 11135), (221, 9825), (255, 8515), (325, 6681), (393, 5525), (425, 5109), (655, 3315), (663, 3275), (975, 2227), (1105, 1965), (1275, 1703)]