261650007

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{56671}}^1$

素因数の和:56705

約数の個数: 24

約数和(自身を含む): 412572160

約数和(自身を除く): 150922153

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 56671, 170013, 510039, 1076749, 1530117, 3230247, 4590351, 9690741, 13771053, 29072223, 87216669, 261650007]

約数ペア:

[(1, 261650007), (3, 87216669), (9, 29072223), (19, 13771053), (27, 9690741), (57, 4590351), (81, 3230247), (171, 1530117), (243, 1076749), (513, 510039), (1539, 170013), (4617, 56671)]