127967905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 169696800

約数和(自身を除く): 41728895

約数列:

[1, 5, 13, 65, 73, 149, 181, 365, 745, 905, 949, 1937, 2353, 4745, 9685, 10877, 11765, 13213, 26969, 54385, 66065, 134845, 141401, 171769, 350597, 707005, 858845, 1752985, 1968737, 9843685, 25593581, 127967905]

約数ペア:

[(1, 127967905), (5, 25593581), (13, 9843685), (65, 1968737), (73, 1752985), (149, 858845), (181, 707005), (365, 350597), (745, 171769), (905, 141401), (949, 134845), (1937, 66065), (2353, 54385), (4745, 26969), (9685, 13213), (10877, 11765)]