209567802081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12721}}^1\times {\mathrm{7451}}^1$

素因数の和:20253

約数の個数: 32

約数和(自身を含む): 309441378816

約数和(自身を除く): 99873576735

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 7451, 12721, 22353, 38163, 81961, 139931, 245883, 419793, 499217, 852307, 1497651, 2556921, 5491387, 9375377, 16474161, 28126131, 94784171, 284352513, 1042625881, 3127877643, 6350539457, 19051618371, 69855934027, 209567802081]

約数ペア:

[(1, 209567802081), (3, 69855934027), (11, 19051618371), (33, 6350539457), (67, 3127877643), (201, 1042625881), (737, 284352513), (2211, 94784171), (7451, 28126131), (12721, 16474161), (22353, 9375377), (38163, 5491387), (81961, 2556921), (139931, 1497651), (245883, 852307), (419793, 499217)]