291258195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{8719}}^1$

素因数の和:8875

約数の個数: 32

約数和(自身を含む): 497249280

約数和(自身を除く): 205991085

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 655, 1965, 2227, 6681, 8719, 11135, 26157, 33405, 43595, 130785, 148223, 444669, 741115, 1142189, 2223345, 3426567, 5710945, 17132835, 19417213, 58251639, 97086065, 291258195]

約数ペア:

[(1, 291258195), (3, 97086065), (5, 58251639), (15, 19417213), (17, 17132835), (51, 5710945), (85, 3426567), (131, 2223345), (255, 1142189), (393, 741115), (655, 444669), (1965, 148223), (2227, 130785), (6681, 43595), (8719, 33405), (11135, 26157)]