181402557

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 299427840

約数和(自身を除く): 118025283

約数列:

[1, 3, 7, 19, 21, 49, 57, 107, 133, 147, 321, 399, 607, 749, 931, 1821, 2033, 2247, 2793, 4249, 5243, 6099, 11533, 12747, 14231, 15729, 29743, 34599, 42693, 64949, 80731, 89229, 99617, 194847, 242193, 298851, 454643, 565117, 1234031, 1363929, 1695351, 3182501, 3702093, 8638217, 9547503, 25914651, 60467519, 181402557]

約数ペア:

[(1, 181402557), (3, 60467519), (7, 25914651), (19, 9547503), (21, 8638217), (49, 3702093), (57, 3182501), (107, 1695351), (133, 1363929), (147, 1234031), (321, 565117), (399, 454643), (607, 298851), (749, 242193), (931, 194847), (1821, 99617), (2033, 89229), (2247, 80731), (2793, 64949), (4249, 42693), (5243, 34599), (6099, 29743), (11533, 15729), (12747, 14231)]