678743547

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1381}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 1003000320

約数和(自身を除く): 324256773

約数列:

[1, 3, 17, 23, 51, 69, 391, 419, 1173, 1257, 1381, 4143, 7123, 9637, 21369, 23477, 28911, 31763, 70431, 95289, 163829, 491487, 539971, 578639, 1619913, 1735917, 9836863, 13308697, 29510589, 39926091, 226247849, 678743547]

約数ペア:

[(1, 678743547), (3, 226247849), (17, 39926091), (23, 29510589), (51, 13308697), (69, 9836863), (391, 1735917), (419, 1619913), (1173, 578639), (1257, 539971), (1381, 491487), (4143, 163829), (7123, 95289), (9637, 70431), (21369, 31763), (23477, 28911)]