31611177

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 54407808

約数和(自身を除く): 22796631

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 663, 691, 897, 1173, 1989, 2073, 2691, 3519, 5083, 6219, 8983, 11747, 15249, 15893, 26949, 35241, 45747, 47679, 80847, 105723, 143037, 152711, 206609, 270181, 458133, 619827, 810543, 1374399, 1859481, 2431629, 3512353, 10537059, 31611177]

約数ペア:

[(1, 31611177), (3, 10537059), (9, 3512353), (13, 2431629), (17, 1859481), (23, 1374399), (39, 810543), (51, 619827), (69, 458133), (117, 270181), (153, 206609), (207, 152711), (221, 143037), (299, 105723), (391, 80847), (663, 47679), (691, 45747), (897, 35241), (1173, 26949), (1989, 15893), (2073, 15249), (2691, 11747), (3519, 8983), (5083, 6219)]