81361785

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 134052480

約数和(自身を除く): 52690695

約数列:

[1, 3, 5, 15, 67, 73, 201, 219, 335, 365, 1005, 1095, 1109, 3327, 4891, 5545, 14673, 16635, 24455, 73365, 74303, 80957, 222909, 242871, 371515, 404785, 1114545, 1214355, 5424119, 16272357, 27120595, 81361785]

約数ペア:

[(1, 81361785), (3, 27120595), (5, 16272357), (15, 5424119), (67, 1214355), (73, 1114545), (201, 404785), (219, 371515), (335, 242871), (365, 222909), (1005, 80957), (1095, 74303), (1109, 73365), (3327, 24455), (4891, 16635), (5545, 14673)]