31256379

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 61461504

約数和(自身を除く): 30205125

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 37, 53, 63, 69, 77, 99, 111, 159, 161, 207, 231, 253, 259, 333, 371, 407, 477, 483, 583, 693, 759, 777, 851, 1113, 1219, 1221, 1449, 1749, 1771, 1961, 2277, 2331, 2553, 2849, 3339, 3657, 3663, 4081, 5247, 5313, 5883, 5957, 7659, 8533, 8547, 9361, 10971, 12243, 13409, 13727, 15939, 17649, 17871, 21571, 25599, 25641, 28083, 36729, 40227, 41181, 45103, 53613, 64713, 65527, 76797, 84249, 93863, 120681, 123543, 135309, 150997, 194139, 196581, 281589, 315721, 405927, 452991, 496133, 589743, 844767, 947163, 1358973, 1488399, 2841489, 3472931, 4465197, 10418793, 31256379]

約数ペア:

[(1, 31256379), (3, 10418793), (7, 4465197), (9, 3472931), (11, 2841489), (21, 1488399), (23, 1358973), (33, 947163), (37, 844767), (53, 589743), (63, 496133), (69, 452991), (77, 405927), (99, 315721), (111, 281589), (159, 196581), (161, 194139), (207, 150997), (231, 135309), (253, 123543), (259, 120681), (333, 93863), (371, 84249), (407, 76797), (477, 65527), (483, 64713), (583, 53613), (693, 45103), (759, 41181), (777, 40227), (851, 36729), (1113, 28083), (1219, 25641), (1221, 25599), (1449, 21571), (1749, 17871), (1771, 17649), (1961, 15939), (2277, 13727), (2331, 13409), (2553, 12243), (2849, 10971), (3339, 9361), (3657, 8547), (3663, 8533), (4081, 7659), (5247, 5957), (5313, 5883)]