68206515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 118069056

約数和(自身を除く): 49862541

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 771, 1285, 1361, 3341, 3855, 4083, 6805, 10023, 16705, 17693, 20415, 50115, 53079, 88465, 265395, 349777, 1049331, 1748885, 4547101, 5246655, 13641303, 22735505, 68206515]

約数ペア:

[(1, 68206515), (3, 22735505), (5, 13641303), (13, 5246655), (15, 4547101), (39, 1748885), (65, 1049331), (195, 349777), (257, 265395), (771, 88465), (1285, 53079), (1361, 50115), (3341, 20415), (3855, 17693), (4083, 16705), (6805, 10023)]