201916617

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{20857}}^1$

素因数の和:21328

約数の個数: 16

約数和(自身を含む): 308364672

約数和(自身を除く): 106448055

約数列:

[1, 3, 7, 21, 461, 1383, 3227, 9681, 20857, 62571, 145999, 437997, 9615077, 28845231, 67305539, 201916617]

約数ペア:

[(1, 201916617), (3, 67305539), (7, 28845231), (21, 9615077), (461, 437997), (1383, 145999), (3227, 62571), (9681, 20857)]