28145169

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10459}}^1$

素因数の和:10501

約数の個数: 24

約数和(自身を含む): 45689280

約数和(自身を除く): 17544111

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 10459, 31377, 94131, 135967, 240557, 407901, 721671, 1223703, 2165013, 3127241, 9381723, 28145169]

約数ペア:

[(1, 28145169), (3, 9381723), (9, 3127241), (13, 2165013), (23, 1223703), (39, 721671), (69, 407901), (117, 240557), (207, 135967), (299, 94131), (897, 31377), (2691, 10459)]