217133085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{1373}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 374871168

約数和(自身を除く): 157738083

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 811, 1373, 2433, 4055, 4119, 6865, 10543, 12165, 17849, 20595, 31629, 52715, 53547, 89245, 158145, 267735, 1113503, 3340509, 5567515, 14475539, 16702545, 43426617, 72377695, 217133085]

約数ペア:

[(1, 217133085), (3, 72377695), (5, 43426617), (13, 16702545), (15, 14475539), (39, 5567515), (65, 3340509), (195, 1113503), (811, 267735), (1373, 158145), (2433, 89245), (4055, 53547), (4119, 52715), (6865, 31629), (10543, 20595), (12165, 17849)]