30021159

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1123}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 48916480

約数和(自身を除く): 18895321

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1123, 1273, 1407, 3369, 3819, 7861, 8911, 21337, 23583, 26733, 64011, 75241, 149359, 225723, 448077, 526687, 1429579, 1580061, 4288737, 10007053, 30021159]

約数ペア:

[(1, 30021159), (3, 10007053), (7, 4288737), (19, 1580061), (21, 1429579), (57, 526687), (67, 448077), (133, 225723), (201, 149359), (399, 75241), (469, 64011), (1123, 26733), (1273, 23583), (1407, 21337), (3369, 8911), (3819, 7861)]