15420879

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 24155040

約数和(自身を除く): 8734161

約数列:

[1, 3, 9, 23, 41, 69, 79, 123, 207, 237, 369, 529, 711, 943, 1587, 1817, 2829, 3239, 4761, 5451, 8487, 9717, 16353, 21689, 29151, 41791, 65067, 74497, 125373, 195201, 223491, 376119, 670473, 1713431, 5140293, 15420879]

約数ペア:

[(1, 15420879), (3, 5140293), (9, 1713431), (23, 670473), (41, 376119), (69, 223491), (79, 195201), (123, 125373), (207, 74497), (237, 65067), (369, 41791), (529, 29151), (711, 21689), (943, 16353), (1587, 9717), (1817, 8487), (2829, 5451), (3239, 4761)]