511758

素因数分解:

$2^1\times 3^9\times {\mathrm{13}}^1$

素因数の和:42

約数の個数: 40

約数和(自身を含む): 1240008

約数和(自身を除く): 728250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1458, 2106, 2187, 3159, 4374, 6318, 6561, 9477, 13122, 18954, 19683, 28431, 39366, 56862, 85293, 170586, 255879, 511758]

約数ペア:

[(1, 511758), (2, 255879), (3, 170586), (6, 85293), (9, 56862), (13, 39366), (18, 28431), (26, 19683), (27, 18954), (39, 13122), (54, 9477), (78, 6561), (81, 6318), (117, 4374), (162, 3159), (234, 2187), (243, 2106), (351, 1458), (486, 1053), (702, 729)]