40961997

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 63000960

約数和(自身を除く): 22038963

約数列:

[1, 3, 9, 27, 37, 111, 131, 313, 333, 393, 939, 999, 1179, 2817, 3537, 4847, 8451, 11581, 14541, 34743, 41003, 43623, 104229, 123009, 130869, 312687, 369027, 1107081, 1517111, 4551333, 13653999, 40961997]

約数ペア:

[(1, 40961997), (3, 13653999), (9, 4551333), (27, 1517111), (37, 1107081), (111, 369027), (131, 312687), (313, 130869), (333, 123009), (393, 104229), (939, 43623), (999, 41003), (1179, 34743), (2817, 14541), (3537, 11581), (4847, 8451)]