215876157

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{563}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 358433280

約数和(自身を除く): 142557123

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 563, 589, 651, 961, 1689, 1767, 2883, 3941, 4123, 6727, 10697, 11823, 12369, 17453, 18259, 20181, 32091, 52359, 54777, 74879, 122171, 127813, 224637, 331607, 366513, 383439, 541043, 994821, 1623129, 2321249, 3787301, 6963747, 10279817, 11361903, 30839451, 71958719, 215876157]

約数ペア:

[(1, 215876157), (3, 71958719), (7, 30839451), (19, 11361903), (21, 10279817), (31, 6963747), (57, 3787301), (93, 2321249), (133, 1623129), (217, 994821), (399, 541043), (563, 383439), (589, 366513), (651, 331607), (961, 224637), (1689, 127813), (1767, 122171), (2883, 74879), (3941, 54777), (4123, 52359), (6727, 32091), (10697, 20181), (11823, 18259), (12369, 17453)]