28445445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 31274235

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 837, 945, 971, 1085, 1395, 1953, 2913, 3255, 4185, 4855, 5859, 6797, 8739, 9765, 14565, 20391, 26217, 29295, 30101, 33985, 43695, 61173, 90303, 101955, 131085, 150505, 183519, 210707, 270909, 305865, 451515, 632121, 812727, 917595, 1053535, 1354545, 1896363, 3160605, 4063635, 5689089, 9481815, 28445445]

約数ペア:

[(1, 28445445), (3, 9481815), (5, 5689089), (7, 4063635), (9, 3160605), (15, 1896363), (21, 1354545), (27, 1053535), (31, 917595), (35, 812727), (45, 632121), (63, 451515), (93, 305865), (105, 270909), (135, 210707), (155, 183519), (189, 150505), (217, 131085), (279, 101955), (315, 90303), (465, 61173), (651, 43695), (837, 33985), (945, 30101), (971, 29295), (1085, 26217), (1395, 20391), (1953, 14565), (2913, 9765), (3255, 8739), (4185, 6797), (4855, 5859)]