157620519

素因数分解:

$3^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1297}}^1$

素因数の和:1956

約数の個数: 32

約数和(自身を含む): 267491840

約数和(自身を除く): 109871321

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 643, 1297, 1929, 3891, 4501, 5787, 9079, 11673, 13503, 17361, 27237, 35019, 40509, 81711, 121527, 245133, 833971, 2501913, 5837797, 7505739, 17513391, 22517217, 52540173, 157620519]

約数ペア:

[(1, 157620519), (3, 52540173), (7, 22517217), (9, 17513391), (21, 7505739), (27, 5837797), (63, 2501913), (189, 833971), (643, 245133), (1297, 121527), (1929, 81711), (3891, 40509), (4501, 35019), (5787, 27237), (9079, 17361), (11673, 13503)]