219771657

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 389721600

約数和(自身を除く): 169949943

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 101, 189, 203, 261, 303, 397, 609, 707, 783, 909, 1191, 1827, 2121, 2727, 2779, 2929, 3573, 5481, 6363, 8337, 8787, 10719, 11513, 19089, 20503, 25011, 26361, 34539, 40097, 61509, 75033, 79083, 80591, 103617, 120291, 184527, 241773, 280679, 310851, 360873, 553581, 725319, 842037, 1082619, 1162813, 2175957, 2526111, 3488439, 7578333, 8139691, 10465317, 24419073, 31395951, 73257219, 219771657]

約数ペア:

[(1, 219771657), (3, 73257219), (7, 31395951), (9, 24419073), (21, 10465317), (27, 8139691), (29, 7578333), (63, 3488439), (87, 2526111), (101, 2175957), (189, 1162813), (203, 1082619), (261, 842037), (303, 725319), (397, 553581), (609, 360873), (707, 310851), (783, 280679), (909, 241773), (1191, 184527), (1827, 120291), (2121, 103617), (2727, 80591), (2779, 79083), (2929, 75033), (3573, 61509), (5481, 40097), (6363, 34539), (8337, 26361), (8787, 25011), (10719, 20503), (11513, 19089)]