163973187

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 294543360

約数和(自身を除く): 130570173

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 67, 69, 161, 189, 201, 207, 469, 483, 563, 603, 621, 1407, 1449, 1541, 1689, 1809, 3941, 4221, 4347, 4623, 5067, 10787, 11823, 12663, 12949, 13869, 15201, 32361, 35469, 37721, 38847, 41607, 90643, 97083, 106407, 113163, 116541, 264047, 271929, 291249, 339489, 349623, 792141, 815787, 867583, 1018467, 2376423, 2447361, 2602749, 6073081, 7129269, 7808247, 18219243, 23424741, 54657729, 163973187]

約数ペア:

[(1, 163973187), (3, 54657729), (7, 23424741), (9, 18219243), (21, 7808247), (23, 7129269), (27, 6073081), (63, 2602749), (67, 2447361), (69, 2376423), (161, 1018467), (189, 867583), (201, 815787), (207, 792141), (469, 349623), (483, 339489), (563, 291249), (603, 271929), (621, 264047), (1407, 116541), (1449, 113163), (1541, 106407), (1689, 97083), (1809, 90643), (3941, 41607), (4221, 38847), (4347, 37721), (4623, 35469), (5067, 32361), (10787, 15201), (11823, 13869), (12663, 12949)]