65625105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 130572288

約数和(自身を除く): 64947183

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 131, 195, 273, 367, 393, 455, 655, 917, 1101, 1365, 1703, 1835, 1965, 2569, 2751, 4585, 4771, 5109, 5505, 7707, 8515, 11921, 12845, 13755, 14313, 23855, 25545, 33397, 35763, 38535, 48077, 59605, 71565, 100191, 144231, 166985, 178815, 240385, 336539, 500955, 625001, 721155, 1009617, 1682695, 1875003, 3125005, 4375007, 5048085, 9375015, 13125021, 21875035, 65625105]

約数ペア:

[(1, 65625105), (3, 21875035), (5, 13125021), (7, 9375015), (13, 5048085), (15, 4375007), (21, 3125005), (35, 1875003), (39, 1682695), (65, 1009617), (91, 721155), (105, 625001), (131, 500955), (195, 336539), (273, 240385), (367, 178815), (393, 166985), (455, 144231), (655, 100191), (917, 71565), (1101, 59605), (1365, 48077), (1703, 38535), (1835, 35763), (1965, 33397), (2569, 25545), (2751, 23855), (4585, 14313), (4771, 13755), (5109, 12845), (5505, 11921), (7707, 8515)]