81855279

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 135442944

約数和(自身を除く): 53587665

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 113, 243, 271, 297, 339, 813, 891, 1017, 1243, 2439, 2673, 2981, 3051, 3729, 7317, 8943, 9153, 11187, 21951, 26829, 27459, 30623, 33561, 65853, 80487, 91869, 100683, 241461, 275607, 302049, 336853, 724383, 826821, 1010559, 2480463, 3031677, 7441389, 9095031, 27285093, 81855279]

約数ペア:

[(1, 81855279), (3, 27285093), (9, 9095031), (11, 7441389), (27, 3031677), (33, 2480463), (81, 1010559), (99, 826821), (113, 724383), (243, 336853), (271, 302049), (297, 275607), (339, 241461), (813, 100683), (891, 91869), (1017, 80487), (1243, 65853), (2439, 33561), (2673, 30623), (2981, 27459), (3051, 26829), (3729, 21951), (7317, 11187), (8943, 9153)]