25241211

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 37340160

約数和(自身を除く): 12098949

約数列:

[1, 3, 9, 79, 131, 237, 271, 393, 711, 813, 1179, 2439, 10349, 21409, 31047, 35501, 64227, 93141, 106503, 192681, 319509, 2804579, 8413737, 25241211]

約数ペア:

[(1, 25241211), (3, 8413737), (9, 2804579), (79, 319509), (131, 192681), (237, 106503), (271, 93141), (393, 64227), (711, 35501), (813, 31047), (1179, 21409), (2439, 10349)]