31355505

素因数分解:

$3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 57081024

約数和(自身を除く): 25725519

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 197, 243, 393, 405, 591, 655, 985, 1179, 1215, 1773, 1965, 2955, 3537, 5319, 5895, 8865, 10611, 15957, 17685, 25807, 26595, 31833, 47871, 53055, 77421, 79785, 129035, 159165, 232263, 239355, 387105, 696789, 1161315, 2090367, 3483945, 6271101, 10451835, 31355505]

約数ペア:

[(1, 31355505), (3, 10451835), (5, 6271101), (9, 3483945), (15, 2090367), (27, 1161315), (45, 696789), (81, 387105), (131, 239355), (135, 232263), (197, 159165), (243, 129035), (393, 79785), (405, 77421), (591, 53055), (655, 47871), (985, 31833), (1179, 26595), (1215, 25807), (1773, 17685), (1965, 15957), (2955, 10611), (3537, 8865), (5319, 5895)]