72153507

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 108011520

約数和(自身を除く): 35858013

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 437, 893, 1081, 1171, 1311, 2679, 3243, 3513, 20539, 22249, 26933, 55037, 61617, 66747, 80799, 165111, 511727, 1045703, 1265851, 1535181, 3137109, 3797553, 24051169, 72153507]

約数ペア:

[(1, 72153507), (3, 24051169), (19, 3797553), (23, 3137109), (47, 1535181), (57, 1265851), (69, 1045703), (141, 511727), (437, 165111), (893, 80799), (1081, 66747), (1171, 61617), (1311, 55037), (2679, 26933), (3243, 22249), (3513, 20539)]