20121435369

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{392851}}^1$

素因数の和:393138

約数の個数: 32

約数和(自身を含む): 34193838080

約数和(自身を除く): 14072402711

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 813, 1897, 2439, 5691, 7317, 17073, 51219, 392851, 1178553, 2749957, 3535659, 8249871, 10606977, 24749613, 74248839, 106462621, 319387863, 745238347, 958163589, 2235715041, 2874490767, 6707145123, 20121435369]

約数ペア:

[(1, 20121435369), (3, 6707145123), (7, 2874490767), (9, 2235715041), (21, 958163589), (27, 745238347), (63, 319387863), (189, 106462621), (271, 74248839), (813, 24749613), (1897, 10606977), (2439, 8249871), (5691, 3535659), (7317, 2749957), (17073, 1178553), (51219, 392851)]