30991338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{245963}}^1$

素因数の和:245978

約数の個数: 24

約数和(自身を含む): 76740768

約数和(自身を除く): 45749430

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 245963, 491926, 737889, 1475778, 1721741, 2213667, 3443482, 4427334, 5165223, 10330446, 15495669, 30991338]

約数ペア:

[(1, 30991338), (2, 15495669), (3, 10330446), (6, 5165223), (7, 4427334), (9, 3443482), (14, 2213667), (18, 1721741), (21, 1475778), (42, 737889), (63, 491926), (126, 245963)]