38540421

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 59243520

約数和(自身を除く): 20703099

約数列:

[1, 3, 9, 27, 37, 111, 173, 223, 333, 519, 669, 999, 1557, 2007, 4671, 6021, 6401, 8251, 19203, 24753, 38579, 57609, 74259, 115737, 172827, 222777, 347211, 1041633, 1427423, 4282269, 12846807, 38540421]

約数ペア:

[(1, 38540421), (3, 12846807), (9, 4282269), (27, 1427423), (37, 1041633), (111, 347211), (173, 222777), (223, 172827), (333, 115737), (519, 74259), (669, 57609), (999, 38579), (1557, 24753), (2007, 19203), (4671, 8251), (6021, 6401)]