157021821

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:504

約数の個数: 60

約数和(自身を含む): 265405756

約数和(自身を除く): 108383935

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 121, 297, 333, 363, 407, 433, 891, 999, 1089, 1221, 1299, 2997, 3267, 3663, 3897, 4477, 4763, 9801, 10989, 11691, 13431, 14289, 16021, 32967, 35073, 40293, 42867, 48063, 52393, 120879, 128601, 144189, 157179, 176231, 362637, 385803, 432567, 471537, 528693, 1297701, 1414611, 1586079, 1938541, 4243833, 4758237, 5815623, 14274711, 17446869, 52340607, 157021821]

約数ペア:

[(1, 157021821), (3, 52340607), (9, 17446869), (11, 14274711), (27, 5815623), (33, 4758237), (37, 4243833), (81, 1938541), (99, 1586079), (111, 1414611), (121, 1297701), (297, 528693), (333, 471537), (363, 432567), (407, 385803), (433, 362637), (891, 176231), (999, 157179), (1089, 144189), (1221, 128601), (1299, 120879), (2997, 52393), (3267, 48063), (3663, 42867), (3897, 40293), (4477, 35073), (4763, 32967), (9801, 16021), (10989, 14289), (11691, 13431)]