64425645

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20749}}^1$

素因数の和:20786

約数の個数: 32

約数和(自身を含む): 119520000

約数和(自身を除く): 55094355

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 20749, 62247, 103745, 186741, 311235, 477227, 560223, 933705, 1431681, 2386135, 2801115, 4295043, 7158405, 12885129, 21475215, 64425645]

約数ペア:

[(1, 64425645), (3, 21475215), (5, 12885129), (9, 7158405), (15, 4295043), (23, 2801115), (27, 2386135), (45, 1431681), (69, 933705), (115, 560223), (135, 477227), (207, 311235), (345, 186741), (621, 103745), (1035, 62247), (3105, 20749)]