1553565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 2774016

約数和(自身を除く): 1220451

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 257, 403, 465, 771, 1209, 1285, 2015, 3341, 3855, 6045, 7967, 10023, 16705, 23901, 39835, 50115, 103571, 119505, 310713, 517855, 1553565]

約数ペア:

[(1, 1553565), (3, 517855), (5, 310713), (13, 119505), (15, 103571), (31, 50115), (39, 39835), (65, 23901), (93, 16705), (155, 10023), (195, 7967), (257, 6045), (403, 3855), (465, 3341), (771, 2015), (1209, 1285)]