28085931

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 42092544

約数和(自身を除く): 14006613

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 991, 2973, 3149, 8919, 9447, 28341, 46577, 66397, 139731, 199191, 419193, 597573, 3120659, 9361977, 28085931]

約数ペア:

[(1, 28085931), (3, 9361977), (9, 3120659), (47, 597573), (67, 419193), (141, 199191), (201, 139731), (423, 66397), (603, 46577), (991, 28341), (2973, 9447), (3149, 8919)]