28805787

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12263}}^1$

素因数の和:12304

約数の個数: 20

約数和(自身を含む): 44518320

約数和(自身を除く): 15712533

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12263, 36789, 110367, 331101, 355627, 993303, 1066881, 3200643, 9601929, 28805787]

約数ペア:

[(1, 28805787), (3, 9601929), (9, 3200643), (27, 1066881), (29, 993303), (81, 355627), (87, 331101), (261, 110367), (783, 36789), (2349, 12263)]