78285879

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 59608521

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 987, 1259, 1269, 1323, 2303, 2961, 3777, 6909, 8813, 8883, 11331, 20727, 26439, 33993, 59173, 61691, 62181, 79317, 177519, 185073, 237951, 414211, 532557, 555219, 1242633, 1597671, 1665657, 2899477, 3727899, 8698431, 11183697, 26095293, 78285879]

約数ペア:

[(1, 78285879), (3, 26095293), (7, 11183697), (9, 8698431), (21, 3727899), (27, 2899477), (47, 1665657), (49, 1597671), (63, 1242633), (141, 555219), (147, 532557), (189, 414211), (329, 237951), (423, 185073), (441, 177519), (987, 79317), (1259, 62181), (1269, 61691), (1323, 59173), (2303, 33993), (2961, 26439), (3777, 20727), (6909, 11331), (8813, 8883)]