201999903

素因数分解:

$3^1\times 7^3\times {\mathrm{196307}}^1$

素因数の和:196331

約数の個数: 16

約数和(自身を含む): 314092800

約数和(自身を除く): 112092897

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 196307, 588921, 1374149, 4122447, 9619043, 28857129, 67333301, 201999903]

約数ペア:

[(1, 201999903), (3, 67333301), (7, 28857129), (21, 9619043), (49, 4122447), (147, 1374149), (343, 588921), (1029, 196307)]