247941351

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7583}}^1$

素因数の和:7772

約数の個数: 32

約数和(自身を含む): 422277120

約数和(自身を除く): 174335769

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 1211, 1557, 3633, 4671, 7583, 10899, 22749, 32697, 53081, 68247, 159243, 204741, 477729, 1311859, 1433187, 3935577, 9183013, 11806731, 27549039, 35420193, 82647117, 247941351]

約数ペア:

[(1, 247941351), (3, 82647117), (7, 35420193), (9, 27549039), (21, 11806731), (27, 9183013), (63, 3935577), (173, 1433187), (189, 1311859), (519, 477729), (1211, 204741), (1557, 159243), (3633, 68247), (4671, 53081), (7583, 32697), (10899, 22749)]