221660361

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27457}}^1$

素因数の和:27502

約数の個数: 32

約数和(自身を含む): 369035520

約数和(自身を除く): 147375159

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 27457, 82371, 247113, 356941, 631511, 741339, 1070823, 1894533, 3212469, 5683599, 8209643, 9637407, 17050797, 24628929, 73886787, 221660361]

約数ペア:

[(1, 221660361), (3, 73886787), (9, 24628929), (13, 17050797), (23, 9637407), (27, 8209643), (39, 5683599), (69, 3212469), (117, 1894533), (207, 1070823), (299, 741339), (351, 631511), (621, 356941), (897, 247113), (2691, 82371), (8073, 27457)]