254283393

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19009}}^1$

素因数の和:19046

約数の個数: 32

約数和(自身を含む): 425824000

約数和(自身を除く): 171540607

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 19009, 57027, 133063, 247117, 399189, 741351, 931441, 1729819, 2794323, 5189457, 6520087, 12108733, 19560261, 36326199, 84761131, 254283393]

約数ペア:

[(1, 254283393), (3, 84761131), (7, 36326199), (13, 19560261), (21, 12108733), (39, 6520087), (49, 5189457), (91, 2794323), (147, 1729819), (273, 931441), (343, 741351), (637, 399189), (1029, 247117), (1911, 133063), (4459, 57027), (13377, 19009)]