216376161

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 310800000

約数和(自身を除く): 94423839

約数列:

[1, 3, 19, 57, 73, 149, 219, 349, 447, 1047, 1387, 2831, 4161, 6631, 8493, 10877, 19893, 25477, 32631, 52001, 76431, 156003, 206663, 484063, 619989, 988019, 1452189, 2964057, 3796073, 11388219, 72125387, 216376161]

約数ペア:

[(1, 216376161), (3, 72125387), (19, 11388219), (57, 3796073), (73, 2964057), (149, 1452189), (219, 988019), (349, 619989), (447, 484063), (1047, 206663), (1387, 156003), (2831, 76431), (4161, 52001), (6631, 32631), (8493, 25477), (10877, 19893)]