210897729

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7489}}^1$

素因数の和:7654

約数の個数: 32

約数和(自身を含む): 359520000

約数和(自身を除く): 148622271

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1341, 3129, 4023, 7489, 9387, 22467, 28161, 52423, 67401, 157269, 202203, 471807, 1115861, 1415421, 3347583, 7811027, 10042749, 23433081, 30128247, 70299243, 210897729]

約数ペア:

[(1, 210897729), (3, 70299243), (7, 30128247), (9, 23433081), (21, 10042749), (27, 7811027), (63, 3347583), (149, 1415421), (189, 1115861), (447, 471807), (1043, 202203), (1341, 157269), (3129, 67401), (4023, 52423), (7489, 28161), (9387, 22467)]