20280609

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 32904144

約数和(自身を除く): 12623535

約数列:

[1, 3, 9, 17, 41, 51, 53, 61, 123, 153, 159, 183, 369, 477, 549, 697, 901, 1037, 2091, 2173, 2501, 2703, 3111, 3233, 6273, 6519, 7503, 8109, 9333, 9699, 19557, 22509, 29097, 36941, 42517, 54961, 110823, 127551, 132553, 164883, 332469, 382653, 397659, 494649, 1192977, 2253401, 6760203, 20280609]

約数ペア:

[(1, 20280609), (3, 6760203), (9, 2253401), (17, 1192977), (41, 494649), (51, 397659), (53, 382653), (61, 332469), (123, 164883), (153, 132553), (159, 127551), (183, 110823), (369, 54961), (477, 42517), (549, 36941), (697, 29097), (901, 22509), (1037, 19557), (2091, 9699), (2173, 9333), (2501, 8109), (2703, 7503), (3111, 6519), (3233, 6273)]