221290875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{15131}}^1$

素因数の和:15165

約数の個数: 48

約数和(自身を含む): 429627744

約数和(自身を除く): 208336869

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1625, 2925, 4875, 14625, 15131, 45393, 75655, 136179, 196703, 226965, 378275, 590109, 680895, 983515, 1134825, 1770327, 1891375, 2950545, 3404475, 4917575, 5674125, 8851635, 14752725, 17022375, 24587875, 44258175, 73763625, 221290875]

約数ペア:

[(1, 221290875), (3, 73763625), (5, 44258175), (9, 24587875), (13, 17022375), (15, 14752725), (25, 8851635), (39, 5674125), (45, 4917575), (65, 3404475), (75, 2950545), (117, 1891375), (125, 1770327), (195, 1134825), (225, 983515), (325, 680895), (375, 590109), (585, 378275), (975, 226965), (1125, 196703), (1625, 136179), (2925, 75655), (4875, 45393), (14625, 15131)]