1780821081

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{192667}}^1$

素因数の和:192765

約数の個数: 24

約数和(自身を含む): 2805246080

約数和(自身を除く): 1024424999

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 3081, 9243, 192667, 578001, 1734003, 2504671, 7514013, 15220693, 22542039, 45662079, 136986237, 197869009, 593607027, 1780821081]

約数ペア:

[(1, 1780821081), (3, 593607027), (9, 197869009), (13, 136986237), (39, 45662079), (79, 22542039), (117, 15220693), (237, 7514013), (711, 2504671), (1027, 1734003), (3081, 578001), (9243, 192667)]