7731990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{4091}}^1$

素因数の和:4114

約数の個数: 64

約数和(自身を含む): 23569920

約数和(自身を除く): 15837930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 4091, 8182, 12273, 20455, 24546, 28637, 36819, 40910, 57274, 61365, 73638, 85911, 110457, 122730, 143185, 171822, 184095, 220914, 257733, 286370, 368190, 429555, 515466, 552285, 773199, 859110, 1104570, 1288665, 1546398, 2577330, 3865995, 7731990]

約数ペア:

[(1, 7731990), (2, 3865995), (3, 2577330), (5, 1546398), (6, 1288665), (7, 1104570), (9, 859110), (10, 773199), (14, 552285), (15, 515466), (18, 429555), (21, 368190), (27, 286370), (30, 257733), (35, 220914), (42, 184095), (45, 171822), (54, 143185), (63, 122730), (70, 110457), (90, 85911), (105, 73638), (126, 61365), (135, 57274), (189, 40910), (210, 36819), (270, 28637), (315, 24546), (378, 20455), (630, 12273), (945, 8182), (1890, 4091)]