172655889

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 268999680

約数和(自身を除く): 96343791

約数列:

[1, 3, 7, 21, 59, 177, 331, 413, 421, 993, 1239, 1263, 2317, 2947, 6951, 8841, 19529, 24839, 58587, 74517, 136703, 139351, 173873, 410109, 418053, 521619, 975457, 2926371, 8221709, 24665127, 57551963, 172655889]

約数ペア:

[(1, 172655889), (3, 57551963), (7, 24665127), (21, 8221709), (59, 2926371), (177, 975457), (331, 521619), (413, 418053), (421, 410109), (993, 173873), (1239, 139351), (1263, 136703), (2317, 74517), (2947, 58587), (6951, 24839), (8841, 19529)]