137606721

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20287}}^1$

素因数の和:20333

約数の個数: 32

約数和(自身を含む): 233717760

約数和(自身を除く): 96111039

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 20287, 60861, 142009, 344879, 385453, 426027, 1034637, 1156359, 2414153, 2698171, 6552701, 7242459, 8094513, 19658103, 45868907, 137606721]

約数ペア:

[(1, 137606721), (3, 45868907), (7, 19658103), (17, 8094513), (19, 7242459), (21, 6552701), (51, 2698171), (57, 2414153), (119, 1156359), (133, 1034637), (323, 426027), (357, 385453), (399, 344879), (969, 142009), (2261, 60861), (6783, 20287)]