87139395

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{4391}}^1$

素因数の和:4422

約数の個数: 60

約数和(自身を含む): 181749744

約数和(自身を除く): 94610349

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3969, 4391, 6615, 13173, 19845, 21955, 30737, 39519, 65865, 92211, 118557, 153685, 197595, 215159, 276633, 355671, 461055, 592785, 645477, 829899, 1075795, 1383165, 1778355, 1936431, 2489697, 3227385, 4149495, 5809293, 9682155, 12448485, 17427879, 29046465, 87139395]

約数ペア:

[(1, 87139395), (3, 29046465), (5, 17427879), (7, 12448485), (9, 9682155), (15, 5809293), (21, 4149495), (27, 3227385), (35, 2489697), (45, 1936431), (49, 1778355), (63, 1383165), (81, 1075795), (105, 829899), (135, 645477), (147, 592785), (189, 461055), (245, 355671), (315, 276633), (405, 215159), (441, 197595), (567, 153685), (735, 118557), (945, 92211), (1323, 65865), (2205, 39519), (2835, 30737), (3969, 21955), (4391, 19845), (6615, 13173)]