643401

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 1039584

約数和(自身を除く): 396183

約数列:

[1, 3, 9, 11, 33, 67, 97, 99, 201, 291, 603, 737, 873, 1067, 2211, 3201, 6499, 6633, 9603, 19497, 58491, 71489, 214467, 643401]

約数ペア:

[(1, 643401), (3, 214467), (9, 71489), (11, 58491), (33, 19497), (67, 9603), (97, 6633), (99, 6499), (201, 3201), (291, 2211), (603, 1067), (737, 873)]