2000990901

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7643}}^1$

素因数の和:7810

約数の個数: 48

約数和(自身を含む): 3367151424

約数和(自身を除く): 1366160523

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 137, 147, 273, 411, 637, 959, 1781, 1911, 2877, 5343, 6713, 7643, 12467, 20139, 22929, 37401, 53501, 87269, 99359, 160503, 261807, 298077, 374507, 695513, 1047091, 1123521, 2086539, 3141273, 4868591, 7329637, 13612183, 14605773, 21988911, 40836549, 51307459, 95285281, 153922377, 285855843, 666996967, 2000990901]

約数ペア:

[(1, 2000990901), (3, 666996967), (7, 285855843), (13, 153922377), (21, 95285281), (39, 51307459), (49, 40836549), (91, 21988911), (137, 14605773), (147, 13612183), (273, 7329637), (411, 4868591), (637, 3141273), (959, 2086539), (1781, 1123521), (1911, 1047091), (2877, 695513), (5343, 374507), (6713, 298077), (7643, 261807), (12467, 160503), (20139, 99359), (22929, 87269), (37401, 53501)]