31428306

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2776

約数の個数: 72

約数和(自身を含む): 85336524

約数和(自身を除く): 53908218

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 2741, 3822, 5482, 5733, 8223, 11466, 16446, 19187, 24669, 35633, 38374, 49338, 57561, 71266, 106899, 115122, 134309, 172683, 213798, 249431, 268618, 320697, 345366, 402927, 498862, 641394, 748293, 805854, 1208781, 1496586, 1746017, 2244879, 2417562, 3492034, 4489758, 5238051, 10476102, 15714153, 31428306]

約数ペア:

[(1, 31428306), (2, 15714153), (3, 10476102), (6, 5238051), (7, 4489758), (9, 3492034), (13, 2417562), (14, 2244879), (18, 1746017), (21, 1496586), (26, 1208781), (39, 805854), (42, 748293), (49, 641394), (63, 498862), (78, 402927), (91, 345366), (98, 320697), (117, 268618), (126, 249431), (147, 213798), (182, 172683), (234, 134309), (273, 115122), (294, 106899), (441, 71266), (546, 57561), (637, 49338), (819, 38374), (882, 35633), (1274, 24669), (1638, 19187), (1911, 16446), (2741, 11466), (3822, 8223), (5482, 5733)]