131098815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 241768800

約数和(自身を除く): 110669985

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 409, 419, 765, 1227, 1257, 2045, 2095, 3681, 3771, 6135, 6285, 6953, 7123, 18405, 18855, 20859, 21369, 34765, 35615, 62577, 64107, 104295, 106845, 171371, 312885, 320535, 514113, 856855, 1542339, 2570565, 2913307, 7711695, 8739921, 14566535, 26219763, 43699605, 131098815]

約数ペア:

[(1, 131098815), (3, 43699605), (5, 26219763), (9, 14566535), (15, 8739921), (17, 7711695), (45, 2913307), (51, 2570565), (85, 1542339), (153, 856855), (255, 514113), (409, 320535), (419, 312885), (765, 171371), (1227, 106845), (1257, 104295), (2045, 64107), (2095, 62577), (3681, 35615), (3771, 34765), (6135, 21369), (6285, 20859), (6953, 18855), (7123, 18405)]