128737917

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20641}}^1$

素因数の和:20671

約数の個数: 40

約数和(自身を含む): 239777472

約数和(自身を除く): 111039555

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 20641, 61923, 144487, 185769, 227051, 433461, 557307, 681153, 1300383, 1589357, 1671921, 2043459, 3901149, 4768071, 6130377, 11703447, 14304213, 18391131, 42912639, 128737917]

約数ペア:

[(1, 128737917), (3, 42912639), (7, 18391131), (9, 14304213), (11, 11703447), (21, 6130377), (27, 4768071), (33, 3901149), (63, 2043459), (77, 1671921), (81, 1589357), (99, 1300383), (189, 681153), (231, 557307), (297, 433461), (567, 227051), (693, 185769), (891, 144487), (2079, 61923), (6237, 20641)]