77128821

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1663

約数の個数: 64

約数和(自身を含む): 148746240

約数和(自身を除く): 71617419

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 161, 189, 207, 231, 253, 297, 483, 621, 693, 759, 1449, 1613, 1771, 2079, 2277, 4347, 4839, 5313, 6831, 11291, 14517, 15939, 17743, 33873, 37099, 43551, 47817, 53229, 101619, 111297, 124201, 159687, 259693, 304857, 333891, 372603, 408089, 479061, 779079, 1001673, 1117809, 1224267, 2337237, 2856623, 3353427, 3672801, 7011711, 8569869, 11018403, 25709607, 77128821]

約数ペア:

[(1, 77128821), (3, 25709607), (7, 11018403), (9, 8569869), (11, 7011711), (21, 3672801), (23, 3353427), (27, 2856623), (33, 2337237), (63, 1224267), (69, 1117809), (77, 1001673), (99, 779079), (161, 479061), (189, 408089), (207, 372603), (231, 333891), (253, 304857), (297, 259693), (483, 159687), (621, 124201), (693, 111297), (759, 101619), (1449, 53229), (1613, 47817), (1771, 43551), (2079, 37099), (2277, 33873), (4347, 17743), (4839, 15939), (5313, 14517), (6831, 11291)]