30688713

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 56

約数和(自身を含む): 51939360

約数和(自身を除く): 21250647

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 89, 99, 129, 243, 267, 297, 387, 473, 729, 801, 891, 979, 1161, 1419, 2403, 2673, 2937, 3483, 3827, 4257, 7209, 8019, 8811, 10449, 11481, 12771, 21627, 26433, 31347, 34443, 38313, 42097, 64881, 79299, 103329, 114939, 126291, 237897, 309987, 344817, 378873, 713691, 929961, 1136619, 2789883, 3409857, 10229571, 30688713]

約数ペア:

[(1, 30688713), (3, 10229571), (9, 3409857), (11, 2789883), (27, 1136619), (33, 929961), (43, 713691), (81, 378873), (89, 344817), (99, 309987), (129, 237897), (243, 126291), (267, 114939), (297, 103329), (387, 79299), (473, 64881), (729, 42097), (801, 38313), (891, 34443), (979, 31347), (1161, 26433), (1419, 21627), (2403, 12771), (2673, 11481), (2937, 10449), (3483, 8811), (3827, 8019), (4257, 7209)]