665655315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1777}}^1$

素因数の和:1928

約数の個数: 64

約数和(自身を含む): 1225881216

約数和(自身を除く): 560225901

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 113, 195, 221, 255, 339, 565, 663, 1105, 1469, 1695, 1777, 1921, 3315, 4407, 5331, 5763, 7345, 8885, 9605, 22035, 23101, 24973, 26655, 28815, 30209, 69303, 74919, 90627, 115505, 124865, 151045, 200801, 346515, 374595, 392717, 453135, 602403, 1004005, 1178151, 1963585, 2610413, 3012015, 3413617, 5890755, 7831239, 10240851, 13052065, 17068085, 39156195, 44377021, 51204255, 133131063, 221885105, 665655315]

約数ペア:

[(1, 665655315), (3, 221885105), (5, 133131063), (13, 51204255), (15, 44377021), (17, 39156195), (39, 17068085), (51, 13052065), (65, 10240851), (85, 7831239), (113, 5890755), (195, 3413617), (221, 3012015), (255, 2610413), (339, 1963585), (565, 1178151), (663, 1004005), (1105, 602403), (1469, 453135), (1695, 392717), (1777, 374595), (1921, 346515), (3315, 200801), (4407, 151045), (5331, 124865), (5763, 115505), (7345, 90627), (8885, 74919), (9605, 69303), (22035, 30209), (23101, 28815), (24973, 26655)]