31814181

素因数分解:

$3^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 55540800

約数和(自身を除く): 23726619

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 139, 147, 173, 189, 417, 441, 519, 973, 1211, 1251, 1323, 1557, 2919, 3633, 3753, 4671, 6811, 8477, 8757, 10899, 20433, 24047, 25431, 26271, 32697, 61299, 72141, 76293, 168329, 183897, 216423, 228879, 504987, 649269, 1178303, 1514961, 3534909, 4544883, 10604727, 31814181]

約数ペア:

[(1, 31814181), (3, 10604727), (7, 4544883), (9, 3534909), (21, 1514961), (27, 1178303), (49, 649269), (63, 504987), (139, 228879), (147, 216423), (173, 183897), (189, 168329), (417, 76293), (441, 72141), (519, 61299), (973, 32697), (1211, 26271), (1251, 25431), (1323, 24047), (1557, 20433), (2919, 10899), (3633, 8757), (3753, 8477), (4671, 6811)]