28187013

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 39680000

約数和(自身を除く): 11492987

約数列:

[1, 3, 19, 57, 499, 991, 1497, 2973, 9481, 18829, 28443, 56487, 494509, 1483527, 9395671, 28187013]

約数ペア:

[(1, 28187013), (3, 9395671), (19, 1483527), (57, 494509), (499, 56487), (991, 28443), (1497, 18829), (2973, 9481)]