81769785

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4289}}^1$

素因数の和:4369

約数の個数: 32

約数和(自身を含む): 138378240

約数和(自身を除く): 56608455

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1271, 3813, 4289, 6355, 12867, 19065, 21445, 64335, 132959, 175849, 398877, 527547, 664795, 879245, 1994385, 2637735, 5451319, 16353957, 27256595, 81769785]

約数ペア:

[(1, 81769785), (3, 27256595), (5, 16353957), (15, 5451319), (31, 2637735), (41, 1994385), (93, 879245), (123, 664795), (155, 527547), (205, 398877), (465, 175849), (615, 132959), (1271, 64335), (3813, 21445), (4289, 19065), (6355, 12867)]