81434241

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 148313088

約数和(自身を除く): 66878847

約数列:

[1, 3, 7, 9, 21, 27, 31, 41, 63, 81, 93, 113, 123, 189, 217, 279, 287, 339, 369, 567, 651, 791, 837, 861, 1017, 1107, 1271, 1953, 2373, 2511, 2583, 3051, 3321, 3503, 3813, 4633, 5859, 7119, 7749, 8897, 9153, 10509, 11439, 13899, 17577, 21357, 23247, 24521, 26691, 31527, 32431, 34317, 41697, 64071, 73563, 80073, 94581, 97293, 102951, 125091, 143623, 220689, 240219, 283743, 291879, 375273, 430869, 662067, 720657, 875637, 1005361, 1292607, 1986201, 2626911, 3016083, 3877821, 9048249, 11633463, 27144747, 81434241]

約数ペア:

[(1, 81434241), (3, 27144747), (7, 11633463), (9, 9048249), (21, 3877821), (27, 3016083), (31, 2626911), (41, 1986201), (63, 1292607), (81, 1005361), (93, 875637), (113, 720657), (123, 662067), (189, 430869), (217, 375273), (279, 291879), (287, 283743), (339, 240219), (369, 220689), (567, 143623), (651, 125091), (791, 102951), (837, 97293), (861, 94581), (1017, 80073), (1107, 73563), (1271, 64071), (1953, 41697), (2373, 34317), (2511, 32431), (2583, 31527), (3051, 26691), (3321, 24521), (3503, 23247), (3813, 21357), (4633, 17577), (5859, 13899), (7119, 11439), (7749, 10509), (8897, 9153)]