22140975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 16427985

約数列:

[1, 3, 5, 15, 25, 31, 75, 89, 93, 107, 155, 267, 321, 445, 465, 535, 775, 1335, 1605, 2225, 2325, 2675, 2759, 3317, 6675, 8025, 8277, 9523, 9951, 13795, 16585, 28569, 41385, 47615, 49755, 68975, 82925, 142845, 206925, 238075, 248775, 295213, 714225, 885639, 1476065, 4428195, 7380325, 22140975]

約数ペア:

[(1, 22140975), (3, 7380325), (5, 4428195), (15, 1476065), (25, 885639), (31, 714225), (75, 295213), (89, 248775), (93, 238075), (107, 206925), (155, 142845), (267, 82925), (321, 68975), (445, 49755), (465, 47615), (535, 41385), (775, 28569), (1335, 16585), (1605, 13795), (2225, 9951), (2325, 9523), (2675, 8277), (2759, 8025), (3317, 6675)]