28310745

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 18345255

約数列:

[1, 3, 5, 15, 53, 149, 159, 239, 265, 447, 717, 745, 795, 1195, 2235, 3585, 7897, 12667, 23691, 35611, 38001, 39485, 63335, 106833, 118455, 178055, 190005, 534165, 1887383, 5662149, 9436915, 28310745]

約数ペア:

[(1, 28310745), (3, 9436915), (5, 5662149), (15, 1887383), (53, 534165), (149, 190005), (159, 178055), (239, 118455), (265, 106833), (447, 63335), (717, 39485), (745, 38001), (795, 35611), (1195, 23691), (2235, 12667), (3585, 7897)]