12021813

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 18418400

約数和(自身を除く): 6396587

約数列:

[1, 3, 9, 19, 57, 171, 229, 307, 687, 921, 2061, 2763, 4351, 5833, 13053, 17499, 39159, 52497, 70303, 210909, 632727, 1335757, 4007271, 12021813]

約数ペア:

[(1, 12021813), (3, 4007271), (9, 1335757), (19, 632727), (57, 210909), (171, 70303), (229, 52497), (307, 39159), (687, 17499), (921, 13053), (2061, 5833), (2763, 4351)]