202137789

素因数分解:

$3^1\times 7^5\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 332551680

約数和(自身を除く): 130413891

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 211, 343, 399, 633, 931, 1029, 1477, 2401, 2793, 4009, 4431, 6517, 7203, 10339, 12027, 16807, 19551, 28063, 31017, 45619, 50421, 72373, 84189, 136857, 196441, 217119, 319333, 506611, 589323, 957999, 1375087, 1519833, 3546277, 4125261, 9625609, 10638831, 28876827, 67379263, 202137789]

約数ペア:

[(1, 202137789), (3, 67379263), (7, 28876827), (19, 10638831), (21, 9625609), (49, 4125261), (57, 3546277), (133, 1519833), (147, 1375087), (211, 957999), (343, 589323), (399, 506611), (633, 319333), (931, 217119), (1029, 196441), (1477, 136857), (2401, 84189), (2793, 72373), (4009, 50421), (4431, 45619), (6517, 31017), (7203, 28063), (10339, 19551), (12027, 16807)]