890996655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{8147}}^1$

素因数の和:8495

約数の個数: 32

約数和(自身を含む): 1492452864

約数和(自身を除く): 601456209

約数列:

[1, 3, 5, 15, 23, 69, 115, 317, 345, 951, 1585, 4755, 7291, 8147, 21873, 24441, 36455, 40735, 109365, 122205, 187381, 562143, 936905, 2582599, 2810715, 7747797, 12912995, 38738985, 59399777, 178199331, 296998885, 890996655]

約数ペア:

[(1, 890996655), (3, 296998885), (5, 178199331), (15, 59399777), (23, 38738985), (69, 12912995), (115, 7747797), (317, 2810715), (345, 2582599), (951, 936905), (1585, 562143), (4755, 187381), (7291, 122205), (8147, 109365), (21873, 40735), (24441, 36455)]