18077235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13856205

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1231, 1335, 2937, 3693, 4895, 6155, 13541, 14685, 18465, 40623, 67705, 109559, 203115, 328677, 547795, 1205149, 1643385, 3615447, 6025745, 18077235]

約数ペア:

[(1, 18077235), (3, 6025745), (5, 3615447), (11, 1643385), (15, 1205149), (33, 547795), (55, 328677), (89, 203115), (165, 109559), (267, 67705), (445, 40623), (979, 18465), (1231, 14685), (1335, 13541), (2937, 6155), (3693, 4895)]