15428205

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 14811795

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 59, 65, 117, 135, 149, 177, 195, 295, 351, 447, 531, 585, 745, 767, 885, 1341, 1593, 1755, 1937, 2235, 2301, 2655, 3835, 4023, 5811, 6705, 6903, 7965, 8791, 9685, 11505, 17433, 20115, 20709, 26373, 29055, 34515, 43955, 52299, 79119, 87165, 103545, 114283, 131865, 237357, 261495, 342849, 395595, 571415, 1028547, 1186785, 1714245, 3085641, 5142735, 15428205]

約数ペア:

[(1, 15428205), (3, 5142735), (5, 3085641), (9, 1714245), (13, 1186785), (15, 1028547), (27, 571415), (39, 395595), (45, 342849), (59, 261495), (65, 237357), (117, 131865), (135, 114283), (149, 103545), (177, 87165), (195, 79119), (295, 52299), (351, 43955), (447, 34515), (531, 29055), (585, 26373), (745, 20709), (767, 20115), (885, 17433), (1341, 11505), (1593, 9685), (1755, 8791), (1937, 7965), (2235, 6903), (2301, 6705), (2655, 5811), (3835, 4023)]