81953964

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{20509}}^1$

素因数の和:20559

約数の個数: 48

約数和(自身を含む): 218226400

約数和(自身を除く): 136272436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 20509, 41018, 61527, 82036, 123054, 184581, 246108, 369162, 553743, 738324, 758833, 1107486, 1517666, 2214972, 2276499, 3035332, 4552998, 6829497, 9105996, 13658994, 20488491, 27317988, 40976982, 81953964]

約数ペア:

[(1, 81953964), (2, 40976982), (3, 27317988), (4, 20488491), (6, 13658994), (9, 9105996), (12, 6829497), (18, 4552998), (27, 3035332), (36, 2276499), (37, 2214972), (54, 1517666), (74, 1107486), (108, 758833), (111, 738324), (148, 553743), (222, 369162), (333, 246108), (444, 184581), (666, 123054), (999, 82036), (1332, 61527), (1998, 41018), (3996, 20509)]