221413797

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43853}}^1$

素因数の和:43890

約数の個数: 32

約数和(自身を含む): 378898560

約数和(自身を除く): 157484763

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 5049, 43853, 131559, 394677, 482383, 745501, 1184031, 1447149, 2236503, 4341447, 6709509, 8200511, 13024341, 20128527, 24601533, 73804599, 221413797]

約数ペア:

[(1, 221413797), (3, 73804599), (9, 24601533), (11, 20128527), (17, 13024341), (27, 8200511), (33, 6709509), (51, 4341447), (99, 2236503), (153, 1447149), (187, 1184031), (297, 745501), (459, 482383), (561, 394677), (1683, 131559), (5049, 43853)]