81278865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{95063}}^1$

素因数の和:95093

約数の個数: 24

約数和(自身を含む): 148299840

約数和(自身を除く): 67020975

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 95063, 285189, 475315, 855567, 1425945, 1806197, 4277835, 5418591, 9030985, 16255773, 27092955, 81278865]

約数ペア:

[(1, 81278865), (3, 27092955), (5, 16255773), (9, 9030985), (15, 5418591), (19, 4277835), (45, 1806197), (57, 1425945), (95, 855567), (171, 475315), (285, 285189), (855, 95063)]