28371405

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 46747008

約数和(自身を除く): 18375603

約数列:

[1, 3, 5, 15, 61, 101, 183, 303, 305, 307, 505, 915, 921, 1515, 1535, 4605, 6161, 18483, 18727, 30805, 31007, 56181, 92415, 93021, 93635, 155035, 280905, 465105, 1891427, 5674281, 9457135, 28371405]

約数ペア:

[(1, 28371405), (3, 9457135), (5, 5674281), (15, 1891427), (61, 465105), (101, 280905), (183, 155035), (303, 93635), (305, 93021), (307, 92415), (505, 56181), (915, 31007), (921, 30805), (1515, 18727), (1535, 18483), (4605, 6161)]