219762009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 351331344

約数和(自身を除く): 131569335

約数列:

[1, 3, 9, 17, 41, 51, 53, 123, 153, 159, 369, 477, 661, 697, 901, 1983, 2091, 2173, 2703, 5949, 6273, 6519, 8109, 11237, 19557, 27101, 33711, 35033, 36941, 81303, 101133, 105099, 110823, 243909, 315297, 332469, 460717, 595561, 1382151, 1436353, 1786683, 4146453, 4309059, 5360049, 12927177, 24418001, 73254003, 219762009]

約数ペア:

[(1, 219762009), (3, 73254003), (9, 24418001), (17, 12927177), (41, 5360049), (51, 4309059), (53, 4146453), (123, 1786683), (153, 1436353), (159, 1382151), (369, 595561), (477, 460717), (661, 332469), (697, 315297), (901, 243909), (1983, 110823), (2091, 105099), (2173, 101133), (2703, 81303), (5949, 36941), (6273, 35033), (6519, 33711), (8109, 27101), (11237, 19557)]