280827885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{75797}}^1$

素因数の和:75837

約数の個数: 32

約数和(自身を含む): 509362560

約数和(自身を除く): 228534675

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 75797, 227391, 378985, 985361, 1136955, 1440143, 2956083, 4320429, 4926805, 7200715, 14780415, 18721859, 21602145, 56165577, 93609295, 280827885]

約数ペア:

[(1, 280827885), (3, 93609295), (5, 56165577), (13, 21602145), (15, 18721859), (19, 14780415), (39, 7200715), (57, 4926805), (65, 4320429), (95, 2956083), (195, 1440143), (247, 1136955), (285, 985361), (741, 378985), (1235, 227391), (3705, 75797)]