991569681

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{73303}}^1$

素因数の和:73482

約数の個数: 20

約数和(自身を含む): 1490123712

約数和(自身を除く): 498554031

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 4509, 13527, 73303, 219909, 659727, 1979181, 5937543, 12241601, 36724803, 110174409, 330523227, 991569681]

約数ペア:

[(1, 991569681), (3, 330523227), (9, 110174409), (27, 36724803), (81, 12241601), (167, 5937543), (501, 1979181), (1503, 659727), (4509, 219909), (13527, 73303)]