28776735

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29284065

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 585, 741, 855, 863, 1235, 1755, 2223, 2565, 2589, 3705, 4315, 6669, 7767, 11115, 11219, 12945, 16397, 23301, 33345, 33657, 38835, 49191, 56095, 81985, 100971, 116505, 147573, 168285, 213161, 245955, 302913, 442719, 504855, 639483, 737865, 1065805, 1514565, 1918449, 2213595, 3197415, 5755347, 9592245, 28776735]

約数ペア:

[(1, 28776735), (3, 9592245), (5, 5755347), (9, 3197415), (13, 2213595), (15, 1918449), (19, 1514565), (27, 1065805), (39, 737865), (45, 639483), (57, 504855), (65, 442719), (95, 302913), (117, 245955), (135, 213161), (171, 168285), (195, 147573), (247, 116505), (285, 100971), (351, 81985), (513, 56095), (585, 49191), (741, 38835), (855, 33657), (863, 33345), (1235, 23301), (1755, 16397), (2223, 12945), (2565, 11219), (2589, 11115), (3705, 7767), (4315, 6669)]