28714491

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12917}}^1$

素因数の和:12955

約数の個数: 24

約数和(自身を含む): 47021520

約数和(自身を除く): 18307029

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12917, 38751, 116253, 167921, 245423, 503763, 736269, 1511289, 2208807, 3190499, 9571497, 28714491]

約数ペア:

[(1, 28714491), (3, 9571497), (9, 3190499), (13, 2208807), (19, 1511289), (39, 736269), (57, 503763), (117, 245423), (171, 167921), (247, 116253), (741, 38751), (2223, 12917)]