81700101

素因数分解:

$3^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1058

約数の個数: 36

約数和(自身を含む): 138048300

約数和(自身を除く): 56348199

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 229, 441, 687, 809, 1603, 2061, 2427, 4809, 5663, 7281, 11221, 14427, 16989, 33663, 39641, 50967, 100989, 118923, 185261, 356769, 555783, 1296827, 1667349, 3890481, 9077789, 11671443, 27233367, 81700101]

約数ペア:

[(1, 81700101), (3, 27233367), (7, 11671443), (9, 9077789), (21, 3890481), (49, 1667349), (63, 1296827), (147, 555783), (229, 356769), (441, 185261), (687, 118923), (809, 100989), (1603, 50967), (2061, 39641), (2427, 33663), (4809, 16989), (5663, 14427), (7281, 11221)]