49978107

素因数分解:

$3^3\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 80271360

約数和(自身を除く): 30293253

約数列:

[1, 3, 9, 27, 29, 31, 71, 87, 93, 213, 261, 279, 639, 783, 837, 841, 899, 1917, 2059, 2201, 2523, 2697, 6177, 6603, 7569, 8091, 18531, 19809, 22707, 24273, 26071, 55593, 59427, 59711, 63829, 78213, 179133, 191487, 234639, 537399, 574461, 703917, 1612197, 1723383, 1851041, 5553123, 16659369, 49978107]

約数ペア:

[(1, 49978107), (3, 16659369), (9, 5553123), (27, 1851041), (29, 1723383), (31, 1612197), (71, 703917), (87, 574461), (93, 537399), (213, 234639), (261, 191487), (279, 179133), (639, 78213), (783, 63829), (837, 59711), (841, 59427), (899, 55593), (1917, 26071), (2059, 24273), (2201, 22707), (2523, 19809), (2697, 18531), (6177, 8091), (6603, 7569)]