31721274

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 77078400

約数和(自身を除く): 45357126

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 117, 146, 219, 234, 351, 438, 619, 657, 702, 949, 1238, 1314, 1857, 1898, 1971, 2847, 3714, 3942, 5571, 5694, 8047, 8541, 11142, 16094, 16713, 17082, 24141, 25623, 33426, 45187, 48282, 51246, 72423, 90374, 135561, 144846, 217269, 271122, 406683, 434538, 587431, 813366, 1174862, 1220049, 1762293, 2440098, 3524586, 5286879, 10573758, 15860637, 31721274]

約数ペア:

[(1, 31721274), (2, 15860637), (3, 10573758), (6, 5286879), (9, 3524586), (13, 2440098), (18, 1762293), (26, 1220049), (27, 1174862), (39, 813366), (54, 587431), (73, 434538), (78, 406683), (117, 271122), (146, 217269), (219, 144846), (234, 135561), (351, 90374), (438, 72423), (619, 51246), (657, 48282), (702, 45187), (949, 33426), (1238, 25623), (1314, 24141), (1857, 17082), (1898, 16713), (1971, 16094), (2847, 11142), (3714, 8541), (3942, 8047), (5571, 5694)]