190905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 32

約数和(自身を含む): 362880

約数和(自身を除く): 171975

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 89, 143, 165, 195, 267, 429, 445, 715, 979, 1157, 1335, 2145, 2937, 3471, 4895, 5785, 12727, 14685, 17355, 38181, 63635, 190905]

約数ペア:

[(1, 190905), (3, 63635), (5, 38181), (11, 17355), (13, 14685), (15, 12727), (33, 5785), (39, 4895), (55, 3471), (65, 2937), (89, 2145), (143, 1335), (165, 1157), (195, 979), (267, 715), (429, 445)]