16020795

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 14315973

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 307, 355, 497, 735, 921, 1065, 1491, 1535, 2149, 2485, 3479, 4605, 6447, 7455, 10437, 10745, 15043, 17395, 21797, 32235, 45129, 52185, 65391, 75215, 108985, 152579, 225645, 326955, 457737, 762895, 1068053, 2288685, 3204159, 5340265, 16020795]

約数ペア:

[(1, 16020795), (3, 5340265), (5, 3204159), (7, 2288685), (15, 1068053), (21, 762895), (35, 457737), (49, 326955), (71, 225645), (105, 152579), (147, 108985), (213, 75215), (245, 65391), (307, 52185), (355, 45129), (497, 32235), (735, 21797), (921, 17395), (1065, 15043), (1491, 10745), (1535, 10437), (2149, 7455), (2485, 6447), (3479, 4605)]