21154278195

素因数分解:

$3^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{426971}}^1$

素因数の和:427352

約数の個数: 32

約数和(自身を含む): 37710167040

約数和(自身を除く): 16555888845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 367, 1101, 1835, 3303, 5505, 9909, 16515, 49545, 426971, 1280913, 2134855, 3842739, 6404565, 11528217, 19213695, 57641085, 156698357, 470095071, 783491785, 1410285213, 2350475355, 4230855639, 7051426065, 21154278195]

約数ペア:

[(1, 21154278195), (3, 7051426065), (5, 4230855639), (9, 2350475355), (15, 1410285213), (27, 783491785), (45, 470095071), (135, 156698357), (367, 57641085), (1101, 19213695), (1835, 11528217), (3303, 6404565), (5505, 3842739), (9909, 2134855), (16515, 1280913), (49545, 426971)]