27721969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 6377231

約数列:

[1, 11, 19, 23, 73, 79, 209, 253, 437, 803, 869, 1387, 1501, 1679, 1817, 4807, 5767, 15257, 16511, 18469, 19987, 31901, 34523, 63437, 109573, 132641, 350911, 379753, 1205303, 1459051, 2520179, 27721969]

約数ペア:

[(1, 27721969), (11, 2520179), (19, 1459051), (23, 1205303), (73, 379753), (79, 350911), (209, 132641), (253, 109573), (437, 63437), (803, 34523), (869, 31901), (1387, 19987), (1501, 18469), (1679, 16511), (1817, 15257), (4807, 5767)]