130221

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:82

約数の個数: 32

約数和(自身を含む): 241920

約数和(自身を除く): 111699

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 53, 63, 91, 117, 159, 189, 273, 351, 371, 477, 689, 819, 1113, 1431, 2067, 2457, 3339, 4823, 6201, 10017, 14469, 18603, 43407, 130221]

約数ペア:

[(1, 130221), (3, 43407), (7, 18603), (9, 14469), (13, 10017), (21, 6201), (27, 4823), (39, 3339), (53, 2457), (63, 2067), (91, 1431), (117, 1113), (159, 819), (189, 689), (273, 477), (351, 371)]