138896289

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12893}}^1$

素因数の和:12931

約数の個数: 40

約数和(自身を含む): 249627840

約数和(自身を除く): 110731551

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 12893, 38679, 90251, 116037, 244967, 270753, 348111, 734901, 812259, 1044333, 1714769, 2204703, 2436777, 5144307, 6614109, 7310331, 15432921, 19842327, 46298763, 138896289]

約数ペア:

[(1, 138896289), (3, 46298763), (7, 19842327), (9, 15432921), (19, 7310331), (21, 6614109), (27, 5144307), (57, 2436777), (63, 2204703), (81, 1714769), (133, 1044333), (171, 812259), (189, 734901), (399, 348111), (513, 270753), (567, 244967), (1197, 116037), (1539, 90251), (3591, 38679), (10773, 12893)]