205122567

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 306741672

約数和(自身を除く): 101619105

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 421, 507, 961, 1209, 1263, 2883, 5239, 5473, 12493, 13051, 15717, 16419, 37479, 39153, 71149, 162409, 169663, 213447, 404581, 487227, 508989, 1213743, 2205619, 5259553, 6616857, 15778659, 68374189, 205122567]

約数ペア:

[(1, 205122567), (3, 68374189), (13, 15778659), (31, 6616857), (39, 5259553), (93, 2205619), (169, 1213743), (403, 508989), (421, 487227), (507, 404581), (961, 213447), (1209, 169663), (1263, 162409), (2883, 71149), (5239, 39153), (5473, 37479), (12493, 16419), (13051, 15717)]