47171943

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 87521280

約数和(自身を除く): 40349337

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 73, 91, 117, 189, 219, 263, 273, 351, 511, 657, 789, 819, 949, 1533, 1841, 1971, 2367, 2457, 2847, 3419, 4599, 5523, 6643, 7101, 8541, 10257, 13797, 16569, 19199, 19929, 23933, 25623, 30771, 49707, 57597, 59787, 71799, 92313, 134393, 172791, 179361, 215397, 249587, 403179, 518373, 646191, 748761, 1209537, 1747109, 2246283, 3628611, 5241327, 6738849, 15723981, 47171943]

約数ペア:

[(1, 47171943), (3, 15723981), (7, 6738849), (9, 5241327), (13, 3628611), (21, 2246283), (27, 1747109), (39, 1209537), (63, 748761), (73, 646191), (91, 518373), (117, 403179), (189, 249587), (219, 215397), (263, 179361), (273, 172791), (351, 134393), (511, 92313), (657, 71799), (789, 59787), (819, 57597), (949, 49707), (1533, 30771), (1841, 25623), (1971, 23933), (2367, 19929), (2457, 19199), (2847, 16569), (3419, 13797), (4599, 10257), (5523, 8541), (6643, 7101)]