28400895

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2663}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 51148800

約数和(自身を除く): 22747905

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 2663, 3555, 7989, 10665, 13315, 23967, 39945, 71901, 119835, 210377, 359505, 631131, 1051885, 1893393, 3155655, 5680179, 9466965, 28400895]

約数ペア:

[(1, 28400895), (3, 9466965), (5, 5680179), (9, 3155655), (15, 1893393), (27, 1051885), (45, 631131), (79, 359505), (135, 210377), (237, 119835), (395, 71901), (711, 39945), (1185, 23967), (2133, 13315), (2663, 10665), (3555, 7989)]