18789003

素因数分解:

$3^5\times {\mathrm{167}}^1\times {\mathrm{463}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 28374528

約数和(自身を除く): 9585525

約数列:

[1, 3, 9, 27, 81, 167, 243, 463, 501, 1389, 1503, 4167, 4509, 12501, 13527, 37503, 40581, 77321, 112509, 231963, 695889, 2087667, 6263001, 18789003]

約数ペア:

[(1, 18789003), (3, 6263001), (9, 2087667), (27, 695889), (81, 231963), (167, 112509), (243, 77321), (463, 40581), (501, 37503), (1389, 13527), (1503, 12501), (4167, 4509)]