221439537

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{14813}}^1$

素因数の和:14981

約数の個数: 24

約数和(自身を含む): 351269568

約数和(自身を除く): 129830031

約数列:

[1, 3, 9, 11, 33, 99, 151, 453, 1359, 1661, 4983, 14813, 14949, 44439, 133317, 162943, 488829, 1466487, 2236763, 6710289, 20130867, 24604393, 73813179, 221439537]

約数ペア:

[(1, 221439537), (3, 73813179), (9, 24604393), (11, 20130867), (33, 6710289), (99, 2236763), (151, 1466487), (453, 488829), (1359, 162943), (1661, 133317), (4983, 44439), (14813, 14949)]