87868905

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 143434368

約数和(自身を除く): 55565463

約数列:

[1, 3, 5, 15, 97, 131, 291, 393, 461, 485, 655, 1383, 1455, 1965, 2305, 6915, 12707, 38121, 44717, 60391, 63535, 134151, 181173, 190605, 223585, 301955, 670755, 905865, 5857927, 17573781, 29289635, 87868905]

約数ペア:

[(1, 87868905), (3, 29289635), (5, 17573781), (15, 5857927), (97, 905865), (131, 670755), (291, 301955), (393, 223585), (461, 190605), (485, 181173), (655, 134151), (1383, 63535), (1455, 60391), (1965, 44717), (2305, 38121), (6915, 12707)]