156623649

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 268128000

約数和(自身を除く): 111504351

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 273, 287, 533, 637, 861, 1599, 1911, 1999, 2009, 3731, 5997, 6027, 11193, 13993, 25987, 26117, 41979, 77961, 78351, 81959, 97951, 181909, 245877, 293853, 545727, 573713, 1065467, 1273363, 1721139, 3196401, 3820089, 4015991, 7458269, 12047973, 22374807, 52207883, 156623649]

約数ペア:

[(1, 156623649), (3, 52207883), (7, 22374807), (13, 12047973), (21, 7458269), (39, 4015991), (41, 3820089), (49, 3196401), (91, 1721139), (123, 1273363), (147, 1065467), (273, 573713), (287, 545727), (533, 293853), (637, 245877), (861, 181909), (1599, 97951), (1911, 81959), (1999, 78351), (2009, 77961), (3731, 41979), (5997, 26117), (6027, 25987), (11193, 13993)]