389623965

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{2677}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 645805056

約数和(自身を除く): 256181091

約数列:

[1, 3, 5, 15, 31, 93, 155, 313, 465, 939, 1565, 2677, 4695, 8031, 9703, 13385, 29109, 40155, 48515, 82987, 145545, 248961, 414935, 837901, 1244805, 2513703, 4189505, 12568515, 25974931, 77924793, 129874655, 389623965]

約数ペア:

[(1, 389623965), (3, 129874655), (5, 77924793), (15, 25974931), (31, 12568515), (93, 4189505), (155, 2513703), (313, 1244805), (465, 837901), (939, 414935), (1565, 248961), (2677, 145545), (4695, 82987), (8031, 48515), (9703, 40155), (13385, 29109)]