291290385

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{8521}}^1$

素因数の和:8625

約数の個数: 32

約数和(自身を含む): 485958528

約数和(自身を除く): 194668143

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 2279, 6837, 8521, 11395, 25563, 34185, 42605, 127815, 366403, 451613, 1099209, 1354839, 1832015, 2258065, 5496045, 6774195, 19419359, 58258077, 97096795, 291290385]

約数ペア:

[(1, 291290385), (3, 97096795), (5, 58258077), (15, 19419359), (43, 6774195), (53, 5496045), (129, 2258065), (159, 1832015), (215, 1354839), (265, 1099209), (645, 451613), (795, 366403), (2279, 127815), (6837, 42605), (8521, 34185), (11395, 25563)]