1991385825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{185677}}^1$

素因数の和:185714

約数の個数: 48

約数和(自身を含む): 3868044096

約数和(自身を除く): 1876658271

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 185677, 557031, 928385, 2042447, 2413801, 2785155, 4641925, 6127341, 7241403, 10212235, 12069005, 13925775, 26551811, 30636705, 36207015, 51061175, 60345025, 79655433, 132759055, 153183525, 181035075, 398277165, 663795275, 1991385825]

約数ペア:

[(1, 1991385825), (3, 663795275), (5, 398277165), (11, 181035075), (13, 153183525), (15, 132759055), (25, 79655433), (33, 60345025), (39, 51061175), (55, 36207015), (65, 30636705), (75, 26551811), (143, 13925775), (165, 12069005), (195, 10212235), (275, 7241403), (325, 6127341), (429, 4641925), (715, 2785155), (825, 2413801), (975, 2042447), (2145, 928385), (3575, 557031), (10725, 185677)]