25939965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 42932736

約数和(自身を除く): 16992771

約数列:

[1, 3, 5, 15, 43, 129, 131, 215, 307, 393, 645, 655, 921, 1535, 1965, 4605, 5633, 13201, 16899, 28165, 39603, 40217, 66005, 84495, 120651, 198015, 201085, 603255, 1729331, 5187993, 8646655, 25939965]

約数ペア:

[(1, 25939965), (3, 8646655), (5, 5187993), (15, 1729331), (43, 603255), (129, 201085), (131, 198015), (215, 120651), (307, 84495), (393, 66005), (645, 40217), (655, 39603), (921, 28165), (1535, 16899), (1965, 13201), (4605, 5633)]