61989291

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75689}}^1$

素因数の和:75715

約数の個数: 24

約数和(自身を含む): 110204640

約数和(自身を除く): 48215349

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 75689, 227067, 529823, 681201, 983957, 1589469, 2951871, 4768407, 6887699, 8855613, 20663097, 61989291]

約数ペア:

[(1, 61989291), (3, 20663097), (7, 8855613), (9, 6887699), (13, 4768407), (21, 2951871), (39, 1589469), (63, 983957), (91, 681201), (117, 529823), (273, 227067), (819, 75689)]