280286685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20693}}^1$

素因数の和:20754

約数の個数: 48

約数和(自身を含む): 568174464

約数和(自身を除く): 287887779

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 4515, 13545, 20693, 62079, 103465, 144851, 186237, 310395, 434553, 724255, 889799, 931185, 1303659, 2172765, 2669397, 4448995, 6228593, 6518295, 8008191, 13346985, 18685779, 31142965, 40040955, 56057337, 93428895, 280286685]

約数ペア:

[(1, 280286685), (3, 93428895), (5, 56057337), (7, 40040955), (9, 31142965), (15, 18685779), (21, 13346985), (35, 8008191), (43, 6518295), (45, 6228593), (63, 4448995), (105, 2669397), (129, 2172765), (215, 1303659), (301, 931185), (315, 889799), (387, 724255), (645, 434553), (903, 310395), (1505, 186237), (1935, 144851), (2709, 103465), (4515, 62079), (13545, 20693)]