214948455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1\times {\mathrm{857}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 359783424

約数和(自身を除く): 144834969

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 727, 857, 2181, 2571, 3635, 4285, 10905, 12855, 16721, 19711, 50163, 59133, 83605, 98555, 250815, 295665, 623039, 1869117, 3115195, 9345585, 14329897, 42989691, 71649485, 214948455]

約数ペア:

[(1, 214948455), (3, 71649485), (5, 42989691), (15, 14329897), (23, 9345585), (69, 3115195), (115, 1869117), (345, 623039), (727, 295665), (857, 250815), (2181, 98555), (2571, 83605), (3635, 59133), (4285, 50163), (10905, 19711), (12855, 16721)]