18013185

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:659

約数の個数: 40

約数和(自身を含む): 32757120

約数和(自身を除く): 14743935

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 563, 711, 1185, 1689, 2133, 2815, 3555, 5067, 6399, 8445, 10665, 15201, 25335, 31995, 44477, 45603, 76005, 133431, 222385, 228015, 400293, 667155, 1200879, 2001465, 3602637, 6004395, 18013185]

約数ペア:

[(1, 18013185), (3, 6004395), (5, 3602637), (9, 2001465), (15, 1200879), (27, 667155), (45, 400293), (79, 228015), (81, 222385), (135, 133431), (237, 76005), (395, 45603), (405, 44477), (563, 31995), (711, 25335), (1185, 15201), (1689, 10665), (2133, 8445), (2815, 6399), (3555, 5067)]