381777

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 580608

約数和(自身を除く): 198831

約数列:

[1, 3, 11, 23, 33, 69, 253, 503, 759, 1509, 5533, 11569, 16599, 34707, 127259, 381777]

約数ペア:

[(1, 381777), (3, 127259), (11, 34707), (23, 16599), (33, 11569), (69, 5533), (253, 1509), (503, 759)]