31180527

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 22283793

約数列:

[1, 3, 7, 9, 21, 63, 67, 83, 89, 201, 249, 267, 469, 581, 603, 623, 747, 801, 1407, 1743, 1869, 4221, 5229, 5561, 5607, 5963, 7387, 16683, 17889, 22161, 38927, 41741, 50049, 51709, 53667, 66483, 116781, 125223, 155127, 350343, 375669, 465381, 494929, 1484787, 3464503, 4454361, 10393509, 31180527]

約数ペア:

[(1, 31180527), (3, 10393509), (7, 4454361), (9, 3464503), (21, 1484787), (63, 494929), (67, 465381), (83, 375669), (89, 350343), (201, 155127), (249, 125223), (267, 116781), (469, 66483), (581, 53667), (603, 51709), (623, 50049), (747, 41741), (801, 38927), (1407, 22161), (1743, 17889), (1869, 16683), (4221, 7387), (5229, 5963), (5561, 5607)]