201519591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1979}}^1$

素因数の和:2375

約数の個数: 32

約数和(自身を含む): 331752960

約数和(自身を除く): 130233369

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 373, 1119, 1979, 2611, 4849, 5937, 7833, 13853, 14547, 25727, 33943, 41559, 77181, 101829, 180089, 540267, 738167, 2214501, 5167169, 9596171, 15501507, 28788513, 67173197, 201519591]

約数ペア:

[(1, 201519591), (3, 67173197), (7, 28788513), (13, 15501507), (21, 9596171), (39, 5167169), (91, 2214501), (273, 738167), (373, 540267), (1119, 180089), (1979, 101829), (2611, 77181), (4849, 41559), (5937, 33943), (7833, 25727), (13853, 14547)]