1915875

素因数分解:

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

素因数の和:165

約数の個数: 48

約数和(自身を含む): 3747744

約数和(自身を除く): 1831869

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 131, 195, 225, 325, 375, 393, 585, 655, 975, 1125, 1179, 1625, 1703, 1965, 2925, 3275, 4875, 5109, 5895, 8515, 9825, 14625, 15327, 16375, 25545, 29475, 42575, 49125, 76635, 127725, 147375, 212875, 383175, 638625, 1915875]

約数ペア:

[(1, 1915875), (3, 638625), (5, 383175), (9, 212875), (13, 147375), (15, 127725), (25, 76635), (39, 49125), (45, 42575), (65, 29475), (75, 25545), (117, 16375), (125, 15327), (131, 14625), (195, 9825), (225, 8515), (325, 5895), (375, 5109), (393, 4875), (585, 3275), (655, 2925), (975, 1965), (1125, 1703), (1179, 1625)]