123955545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 232581888

約数和(自身を除く): 108626343

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 245, 411, 685, 735, 959, 1231, 2055, 2877, 3693, 4795, 6155, 6713, 8617, 14385, 18465, 20139, 25851, 33565, 43085, 60319, 100695, 129255, 168647, 180957, 301595, 505941, 843235, 904785, 1180529, 2529705, 3541587, 5902645, 8263703, 17707935, 24791109, 41318515, 123955545]

約数ペア:

[(1, 123955545), (3, 41318515), (5, 24791109), (7, 17707935), (15, 8263703), (21, 5902645), (35, 3541587), (49, 2529705), (105, 1180529), (137, 904785), (147, 843235), (245, 505941), (411, 301595), (685, 180957), (735, 168647), (959, 129255), (1231, 100695), (2055, 60319), (2877, 43085), (3693, 33565), (4795, 25851), (6155, 20139), (6713, 18465), (8617, 14385)]