1280028315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{78941}}^1$

素因数の和:79019

約数の個数: 32

約数和(自身を含む): 2182588416

約数和(自身を除く): 902560101

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 78941, 236823, 394705, 1184115, 1815643, 3710227, 5446929, 9078215, 11130681, 18551135, 27234645, 55653405, 85335221, 256005663, 426676105, 1280028315]

約数ペア:

[(1, 1280028315), (3, 426676105), (5, 256005663), (15, 85335221), (23, 55653405), (47, 27234645), (69, 18551135), (115, 11130681), (141, 9078215), (235, 5446929), (345, 3710227), (705, 1815643), (1081, 1184115), (3243, 394705), (5405, 236823), (16215, 78941)]