40021155

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 75018240

約数和(自身を除く): 34997085

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 73, 93, 131, 135, 155, 219, 279, 365, 393, 465, 655, 657, 837, 1095, 1179, 1395, 1965, 1971, 2263, 3285, 3537, 4061, 4185, 5895, 6789, 9563, 9855, 11315, 12183, 17685, 20305, 20367, 28689, 33945, 36549, 47815, 60915, 61101, 86067, 101835, 109647, 143445, 182745, 258201, 296453, 305505, 430335, 548235, 889359, 1291005, 1482265, 2668077, 4446795, 8004231, 13340385, 40021155]

約数ペア:

[(1, 40021155), (3, 13340385), (5, 8004231), (9, 4446795), (15, 2668077), (27, 1482265), (31, 1291005), (45, 889359), (73, 548235), (93, 430335), (131, 305505), (135, 296453), (155, 258201), (219, 182745), (279, 143445), (365, 109647), (393, 101835), (465, 86067), (655, 61101), (657, 60915), (837, 47815), (1095, 36549), (1179, 33945), (1395, 28689), (1965, 20367), (1971, 20305), (2263, 17685), (3285, 12183), (3537, 11315), (4061, 9855), (4185, 9563), (5895, 6789)]