40621509

素因数分解:

$3^2\times {\mathrm{211}}^1\times {\mathrm{21391}}^1$

素因数の和:21608

約数の個数: 12

約数和(自身を含む): 58956352

約数和(自身を除く): 18334843

約数列:

[1, 3, 9, 211, 633, 1899, 21391, 64173, 192519, 4513501, 13540503, 40621509]

約数ペア:

[(1, 40621509), (3, 13540503), (9, 4513501), (211, 192519), (633, 64173), (1899, 21391)]