123987885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9923}}^1$

素因数の和:9962

約数の個数: 48

約数和(自身を含む): 244368576

約数和(自身を除く): 120380691

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 9923, 12495, 29769, 49615, 69461, 148845, 168691, 208383, 347305, 486227, 506073, 843455, 1041915, 1180837, 1458681, 2431135, 2530365, 3542511, 5904185, 7293405, 8265859, 17712555, 24797577, 41329295, 123987885]

約数ペア:

[(1, 123987885), (3, 41329295), (5, 24797577), (7, 17712555), (15, 8265859), (17, 7293405), (21, 5904185), (35, 3542511), (49, 2530365), (51, 2431135), (85, 1458681), (105, 1180837), (119, 1041915), (147, 843455), (245, 506073), (255, 486227), (357, 347305), (595, 208383), (735, 168691), (833, 148845), (1785, 69461), (2499, 49615), (4165, 29769), (9923, 12495)]