15185751

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 24127488

約数和(自身を除く): 8941737

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 251, 301, 469, 753, 903, 1407, 1757, 2881, 5271, 8643, 10793, 16817, 20167, 32379, 50451, 60501, 75551, 117719, 226653, 353157, 723131, 2169393, 5061917, 15185751]

約数ペア:

[(1, 15185751), (3, 5061917), (7, 2169393), (21, 723131), (43, 353157), (67, 226653), (129, 117719), (201, 75551), (251, 60501), (301, 50451), (469, 32379), (753, 20167), (903, 16817), (1407, 10793), (1757, 8643), (2881, 5271)]