19931157

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 11639403

約数列:

[1, 3, 9, 17, 27, 51, 153, 173, 251, 459, 519, 753, 1557, 2259, 2941, 4267, 4671, 6777, 8823, 12801, 26469, 38403, 43423, 79407, 115209, 130269, 390807, 738191, 1172421, 2214573, 6643719, 19931157]

約数ペア:

[(1, 19931157), (3, 6643719), (9, 2214573), (17, 1172421), (27, 738191), (51, 390807), (153, 130269), (173, 115209), (251, 79407), (459, 43423), (519, 38403), (753, 26469), (1557, 12801), (2259, 8823), (2941, 6777), (4267, 4671)]