207319497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6551}}^1$

素因数の和:6709

約数の個数: 32

約数和(自身を含む): 347203584

約数和(自身を除く): 139884087

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4521, 6551, 10549, 19653, 31647, 45857, 72061, 137571, 216183, 504427, 897487, 1513281, 2692461, 6282409, 9872357, 18847227, 29617071, 69106499, 207319497]

約数ペア:

[(1, 207319497), (3, 69106499), (7, 29617071), (11, 18847227), (21, 9872357), (33, 6282409), (77, 2692461), (137, 1513281), (231, 897487), (411, 504427), (959, 216183), (1507, 137571), (2877, 72061), (4521, 45857), (6551, 31647), (10549, 19653)]