69208815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1381}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 119802816

約数和(自身を除く): 50594001

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 771, 1285, 1381, 3341, 3855, 4143, 6905, 10023, 16705, 17953, 20715, 50115, 53859, 89765, 269295, 354917, 1064751, 1774585, 4613921, 5323755, 13841763, 23069605, 69208815]

約数ペア:

[(1, 69208815), (3, 23069605), (5, 13841763), (13, 5323755), (15, 4613921), (39, 1774585), (65, 1064751), (195, 354917), (257, 269295), (771, 89765), (1285, 53859), (1381, 50115), (3341, 20715), (3855, 17953), (4143, 16705), (6905, 10023)]