23151705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 39533184

約数和(自身を除く): 16381479

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 557, 815, 1671, 2445, 2771, 2785, 8313, 8355, 9469, 13855, 28407, 41565, 47345, 90791, 142035, 272373, 453955, 1361865, 1543447, 4630341, 7717235, 23151705]

約数ペア:

[(1, 23151705), (3, 7717235), (5, 4630341), (15, 1543447), (17, 1361865), (51, 453955), (85, 272373), (163, 142035), (255, 90791), (489, 47345), (557, 41565), (815, 28407), (1671, 13855), (2445, 9469), (2771, 8355), (2785, 8313)]