51781185

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11393}}^1$

素因数の和:11505

約数の個数: 24

約数和(自身を含む): 90650664

約数和(自身を除く): 38869479

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 11393, 34179, 56965, 102537, 170895, 512685, 1150693, 3452079, 5753465, 10356237, 17260395, 51781185]

約数ペア:

[(1, 51781185), (3, 17260395), (5, 10356237), (9, 5753465), (15, 3452079), (45, 1150693), (101, 512685), (303, 170895), (505, 102537), (909, 56965), (1515, 34179), (4545, 11393)]