6421737

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 10229760

約数和(自身を除く): 3808023

約数列:

[1, 3, 7, 21, 59, 71, 73, 177, 213, 219, 413, 497, 511, 1239, 1491, 1533, 4189, 4307, 5183, 12567, 12921, 15549, 29323, 30149, 36281, 87969, 90447, 108843, 305797, 917391, 2140579, 6421737]

約数ペア:

[(1, 6421737), (3, 2140579), (7, 917391), (21, 305797), (59, 108843), (71, 90447), (73, 87969), (177, 36281), (213, 30149), (219, 29323), (413, 15549), (497, 12921), (511, 12567), (1239, 5183), (1491, 4307), (1533, 4189)]