215989878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2769101}}^1$

素因数の和:2769119

約数の個数: 16

約数和(自身を含む): 465209136

約数和(自身を除く): 249219258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2769101, 5538202, 8307303, 16614606, 35998313, 71996626, 107994939, 215989878]

約数ペア:

[(1, 215989878), (2, 107994939), (3, 71996626), (6, 35998313), (13, 16614606), (26, 8307303), (39, 5538202), (78, 2769101)]