49999869

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 80075520

約数和(自身を除く): 30075651

約数列:

[1, 3, 9, 27, 31, 41, 47, 93, 123, 141, 279, 369, 423, 837, 961, 1107, 1269, 1271, 1457, 1927, 2883, 3813, 4371, 5781, 8649, 11439, 13113, 17343, 25947, 34317, 39339, 39401, 45167, 52029, 59737, 118203, 135501, 179211, 354609, 406503, 537633, 1063827, 1219509, 1612899, 1851847, 5555541, 16666623, 49999869]

約数ペア:

[(1, 49999869), (3, 16666623), (9, 5555541), (27, 1851847), (31, 1612899), (41, 1219509), (47, 1063827), (93, 537633), (123, 406503), (141, 354609), (279, 179211), (369, 135501), (423, 118203), (837, 59737), (961, 52029), (1107, 45167), (1269, 39401), (1271, 39339), (1457, 34317), (1927, 25947), (2883, 17343), (3813, 13113), (4371, 11439), (5781, 8649)]