402149307

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53047}}^1$

素因数の和:53095

約数の個数: 24

約数和(自身を含む): 646761216

約数和(自身を除く): 244611909

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 53047, 159141, 371329, 1007893, 1113987, 3023679, 7055251, 19149967, 21165753, 57449901, 134049769, 402149307]

約数ペア:

[(1, 402149307), (3, 134049769), (7, 57449901), (19, 21165753), (21, 19149967), (57, 7055251), (133, 3023679), (361, 1113987), (399, 1007893), (1083, 371329), (2527, 159141), (7581, 53047)]