397338045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{3911}}^1$

素因数の和:4453

約数の個数: 32

約数和(自身を含む): 686133504

約数和(自身を除く): 288795459

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 521, 1563, 2605, 3911, 6773, 7815, 11733, 19555, 20319, 33865, 50843, 58665, 101595, 152529, 254215, 762645, 2037631, 6112893, 10188155, 26489203, 30564465, 79467609, 132446015, 397338045]

約数ペア:

[(1, 397338045), (3, 132446015), (5, 79467609), (13, 30564465), (15, 26489203), (39, 10188155), (65, 6112893), (195, 2037631), (521, 762645), (1563, 254215), (2605, 152529), (3911, 101595), (6773, 58665), (7815, 50843), (11733, 33865), (19555, 20319)]