128801214

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{420919}}^1$

素因数の和:420944

約数の個数: 24

約数和(自身を含む): 295485840

約数和(自身を除く): 166684626

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 420919, 841838, 1262757, 2525514, 3788271, 7155623, 7576542, 14311246, 21466869, 42933738, 64400607, 128801214]

約数ペア:

[(1, 128801214), (2, 64400607), (3, 42933738), (6, 21466869), (9, 14311246), (17, 7576542), (18, 7155623), (34, 3788271), (51, 2525514), (102, 1262757), (153, 841838), (306, 420919)]