68737221

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12541}}^1$

素因数の和:12586

約数の個数: 32

約数和(自身を含む): 120403200

約数和(自身を除く): 51665979

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 12541, 37623, 87787, 112869, 263361, 338607, 363689, 790083, 1091067, 2370249, 2545823, 3273201, 7637469, 9819603, 22912407, 68737221]

約数ペア:

[(1, 68737221), (3, 22912407), (7, 9819603), (9, 7637469), (21, 3273201), (27, 2545823), (29, 2370249), (63, 1091067), (87, 790083), (189, 363689), (203, 338607), (261, 263361), (609, 112869), (783, 87787), (1827, 37623), (5481, 12541)]