647590473

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{1697}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 946974600

約数和(自身を除く): 299384127

約数列:

[1, 3, 9, 109, 327, 389, 981, 1167, 1697, 3501, 5091, 15273, 42401, 127203, 184973, 381609, 554919, 660133, 1664757, 1980399, 5941197, 71954497, 215863491, 647590473]

約数ペア:

[(1, 647590473), (3, 215863491), (9, 71954497), (109, 5941197), (327, 1980399), (389, 1664757), (981, 660133), (1167, 554919), (1697, 381609), (3501, 184973), (5091, 127203), (15273, 42401)]