71072883

素因数分解:

$3^5\times 7^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 127475712

約数和(自身を除く): 56402829

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 81, 127, 141, 147, 189, 243, 329, 381, 423, 441, 567, 889, 987, 1143, 1269, 1323, 1701, 2303, 2667, 2961, 3429, 3807, 3969, 5969, 6223, 6909, 8001, 8883, 10287, 11421, 11907, 17907, 18669, 20727, 24003, 26649, 30861, 41783, 53721, 56007, 62181, 72009, 79947, 125349, 161163, 168021, 186543, 216027, 292481, 376047, 483489, 504063, 559629, 877443, 1128141, 1450467, 1512189, 2632329, 3384423, 7896987, 10153269, 23690961, 71072883]

約数ペア:

[(1, 71072883), (3, 23690961), (7, 10153269), (9, 7896987), (21, 3384423), (27, 2632329), (47, 1512189), (49, 1450467), (63, 1128141), (81, 877443), (127, 559629), (141, 504063), (147, 483489), (189, 376047), (243, 292481), (329, 216027), (381, 186543), (423, 168021), (441, 161163), (567, 125349), (889, 79947), (987, 72009), (1143, 62181), (1269, 56007), (1323, 53721), (1701, 41783), (2303, 30861), (2667, 26649), (2961, 24003), (3429, 20727), (3807, 18669), (3969, 17907), (5969, 11907), (6223, 11421), (6909, 10287), (8001, 8883)]