1999104009

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{4643}}^1$

素因数の和:4790

約数の個数: 48

約数和(自身を含む): 3240025920

約数和(自身を除く): 1240921911

約数列:

[1, 3, 7, 21, 29, 49, 87, 101, 147, 203, 303, 609, 707, 1421, 2121, 2929, 4263, 4643, 4949, 8787, 13929, 14847, 20503, 32501, 61509, 97503, 134647, 143521, 227507, 403941, 430563, 468943, 682521, 942529, 1406829, 2827587, 3282601, 6597703, 9847803, 13599347, 19793109, 22978207, 40798041, 68934621, 95195429, 285586287, 666368003, 1999104009]

約数ペア:

[(1, 1999104009), (3, 666368003), (7, 285586287), (21, 95195429), (29, 68934621), (49, 40798041), (87, 22978207), (101, 19793109), (147, 13599347), (203, 9847803), (303, 6597703), (609, 3282601), (707, 2827587), (1421, 1406829), (2121, 942529), (2929, 682521), (4263, 468943), (4643, 430563), (4949, 403941), (8787, 227507), (13929, 143521), (14847, 134647), (20503, 97503), (32501, 61509)]