154989237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 227598336

約数和(自身を除く): 72609099

約数列:

[1, 3, 13, 39, 71, 213, 223, 251, 669, 753, 923, 2769, 2899, 3263, 8697, 9789, 15833, 17821, 47499, 53463, 55973, 167919, 205829, 231673, 617487, 695019, 727649, 2182947, 3974083, 11922249, 51663079, 154989237]

約数ペア:

[(1, 154989237), (3, 51663079), (13, 11922249), (39, 3974083), (71, 2182947), (213, 727649), (223, 695019), (251, 617487), (669, 231673), (753, 205829), (923, 167919), (2769, 55973), (2899, 53463), (3263, 47499), (8697, 17821), (9789, 15833)]