31981995

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 56654208

約数和(自身を除く): 24672213

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 191, 305, 549, 573, 915, 955, 1719, 2745, 2865, 3721, 8595, 11163, 11651, 18605, 33489, 34953, 55815, 58255, 104859, 167445, 174765, 524295, 710711, 2132133, 3553555, 6396399, 10660665, 31981995]

約数ペア:

[(1, 31981995), (3, 10660665), (5, 6396399), (9, 3553555), (15, 2132133), (45, 710711), (61, 524295), (183, 174765), (191, 167445), (305, 104859), (549, 58255), (573, 55815), (915, 34953), (955, 33489), (1719, 18605), (2745, 11651), (2865, 11163), (3721, 8595)]