201381813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 325503360

約数和(自身を除く): 124121547

約数列:

[1, 3, 9, 17, 23, 51, 69, 89, 153, 207, 267, 391, 643, 801, 1173, 1513, 1929, 2047, 3519, 4539, 5787, 6141, 10931, 13617, 14789, 18423, 32793, 34799, 44367, 57227, 98379, 104397, 133101, 171681, 251413, 313191, 515043, 754239, 972859, 1316221, 2262717, 2918577, 3948663, 8755731, 11845989, 22375757, 67127271, 201381813]

約数ペア:

[(1, 201381813), (3, 67127271), (9, 22375757), (17, 11845989), (23, 8755731), (51, 3948663), (69, 2918577), (89, 2262717), (153, 1316221), (207, 972859), (267, 754239), (391, 515043), (643, 313191), (801, 251413), (1173, 171681), (1513, 133101), (1929, 104397), (2047, 98379), (3519, 57227), (4539, 44367), (5787, 34799), (6141, 32793), (10931, 18423), (13617, 14789)]