28247265

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2351}}^1$

素因数の和:2454

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 22555935

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2351, 2403, 4005, 7053, 11755, 12015, 21159, 35265, 63477, 105795, 209239, 317385, 627717, 1046195, 1883151, 3138585, 5649453, 9415755, 28247265]

約数ペア:

[(1, 28247265), (3, 9415755), (5, 5649453), (9, 3138585), (15, 1883151), (27, 1046195), (45, 627717), (89, 317385), (135, 209239), (267, 105795), (445, 63477), (801, 35265), (1335, 21159), (2351, 12015), (2403, 11755), (4005, 7053)]