245535369

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 354646656

約数和(自身を除く): 109111287

約数列:

[1, 3, 17, 51, 67, 181, 201, 397, 543, 1139, 1191, 3077, 3417, 6749, 9231, 12127, 20247, 26599, 36381, 71857, 79797, 206159, 215571, 452183, 618477, 1221569, 1356549, 3664707, 4814419, 14443257, 81845123, 245535369]

約数ペア:

[(1, 245535369), (3, 81845123), (17, 14443257), (51, 4814419), (67, 3664707), (181, 1356549), (201, 1221569), (397, 618477), (543, 452183), (1139, 215571), (1191, 206159), (3077, 79797), (3417, 71857), (6749, 36381), (9231, 26599), (12127, 20247)]