31939209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10987}}^1$

素因数の和:11029

約数の個数: 24

約数和(自身を含む): 51423840

約数和(自身を除く): 19484631

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 10987, 32961, 98883, 186779, 208753, 560337, 626259, 1681011, 1878777, 3548801, 10646403, 31939209]

約数ペア:

[(1, 31939209), (3, 10646403), (9, 3548801), (17, 1878777), (19, 1681011), (51, 626259), (57, 560337), (153, 208753), (171, 186779), (323, 98883), (969, 32961), (2907, 10987)]