213103683

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 356227200

約数和(自身を除く): 143123517

約数列:

[1, 3, 9, 13, 27, 37, 39, 61, 111, 117, 183, 269, 333, 351, 481, 549, 793, 807, 999, 1443, 1647, 2257, 2379, 2421, 3497, 4329, 6771, 7137, 7263, 9953, 10491, 12987, 16409, 20313, 21411, 29341, 29859, 31473, 49227, 60939, 88023, 89577, 94419, 129389, 147681, 213317, 264069, 268731, 388167, 443043, 607133, 639951, 792207, 1164501, 1821399, 1919853, 3493503, 5464197, 5759559, 7892729, 16392591, 23678187, 71034561, 213103683]

約数ペア:

[(1, 213103683), (3, 71034561), (9, 23678187), (13, 16392591), (27, 7892729), (37, 5759559), (39, 5464197), (61, 3493503), (111, 1919853), (117, 1821399), (183, 1164501), (269, 792207), (333, 639951), (351, 607133), (481, 443043), (549, 388167), (793, 268731), (807, 264069), (999, 213317), (1443, 147681), (1647, 129389), (2257, 94419), (2379, 89577), (2421, 88023), (3497, 60939), (4329, 49227), (6771, 31473), (7137, 29859), (7263, 29341), (9953, 21411), (10491, 20313), (12987, 16409)]