281657289

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{5813}}^1$

素因数の和:6368

約数の個数: 16

約数和(自身を含む): 388468224

約数和(自身を除く): 106810935

約数列:

[1, 3, 31, 93, 521, 1563, 5813, 16151, 17439, 48453, 180203, 540609, 3028573, 9085719, 93885763, 281657289]

約数ペア:

[(1, 281657289), (3, 93885763), (31, 9085719), (93, 3028573), (521, 540609), (1563, 180203), (5813, 48453), (16151, 17439)]