981801

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 40

約数和(自身を含む): 1672704

約数和(自身を除く): 690903

約数列:

[1, 3, 9, 17, 23, 27, 31, 51, 69, 81, 93, 153, 207, 279, 391, 459, 527, 621, 713, 837, 1173, 1377, 1581, 1863, 2139, 2511, 3519, 4743, 6417, 10557, 12121, 14229, 19251, 31671, 36363, 42687, 57753, 109089, 327267, 981801]

約数ペア:

[(1, 981801), (3, 327267), (9, 109089), (17, 57753), (23, 42687), (27, 36363), (31, 31671), (51, 19251), (69, 14229), (81, 12121), (93, 10557), (153, 6417), (207, 4743), (279, 3519), (391, 2511), (459, 2139), (527, 1863), (621, 1581), (713, 1377), (837, 1173)]