289501317

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28901}}^1$

素因数の和:28970

約数の個数: 32

約数和(自身を含む): 499426560

約数和(自身を除く): 209925243

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 28901, 86703, 202307, 260109, 606921, 780327, 1531753, 1820763, 4595259, 5462289, 10722271, 13785777, 32166813, 41357331, 96500439, 289501317]

約数ペア:

[(1, 289501317), (3, 96500439), (7, 41357331), (9, 32166813), (21, 13785777), (27, 10722271), (53, 5462289), (63, 4595259), (159, 1820763), (189, 1531753), (371, 780327), (477, 606921), (1113, 260109), (1431, 202307), (3339, 86703), (10017, 28901)]