660432879

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{25939}}^1$

素因数の和:26012

約数の個数: 32

約数和(自身を含む): 1045900800

約数和(自身を除く): 385467921

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 943, 1107, 2829, 8487, 25461, 25939, 77817, 233451, 596597, 700353, 1063499, 1789791, 3190497, 5369373, 9571491, 16108119, 24460477, 28714473, 73381431, 220144293, 660432879]

約数ペア:

[(1, 660432879), (3, 220144293), (9, 73381431), (23, 28714473), (27, 24460477), (41, 16108119), (69, 9571491), (123, 5369373), (207, 3190497), (369, 1789791), (621, 1063499), (943, 700353), (1107, 596597), (2829, 233451), (8487, 77817), (25461, 25939)]