211545159

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 326860800

約数和(自身を除く): 115315641

約数列:

[1, 3, 7, 21, 199, 223, 227, 597, 669, 681, 1393, 1561, 1589, 4179, 4683, 4767, 44377, 45173, 50621, 133131, 135519, 151863, 310639, 316211, 354347, 931917, 948633, 1063041, 10073579, 30220737, 70515053, 211545159]

約数ペア:

[(1, 211545159), (3, 70515053), (7, 30220737), (21, 10073579), (199, 1063041), (223, 948633), (227, 931917), (597, 354347), (669, 316211), (681, 310639), (1393, 151863), (1561, 135519), (1589, 133131), (4179, 50621), (4683, 45173), (4767, 44377)]