42815385

素因数分解:

$3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 77837760

約数和(自身を除く): 35022375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 243, 269, 393, 405, 655, 807, 1179, 1215, 1345, 1965, 2421, 3537, 4035, 5895, 7263, 10611, 12105, 17685, 21789, 31833, 35239, 36315, 53055, 65367, 105717, 108945, 159165, 176195, 317151, 326835, 528585, 951453, 1585755, 2854359, 4757265, 8563077, 14271795, 42815385]

約数ペア:

[(1, 42815385), (3, 14271795), (5, 8563077), (9, 4757265), (15, 2854359), (27, 1585755), (45, 951453), (81, 528585), (131, 326835), (135, 317151), (243, 176195), (269, 159165), (393, 108945), (405, 105717), (655, 65367), (807, 53055), (1179, 36315), (1215, 35239), (1345, 31833), (1965, 21789), (2421, 17685), (3537, 12105), (4035, 10611), (5895, 7263)]