69909987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2111}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 43631133

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1577, 1743, 2111, 4731, 6333, 11039, 14777, 33117, 40109, 44331, 120327, 175213, 280763, 525639, 842289, 1226491, 3329047, 3679473, 9987141, 23303329, 69909987]

約数ペア:

[(1, 69909987), (3, 23303329), (7, 9987141), (19, 3679473), (21, 3329047), (57, 1226491), (83, 842289), (133, 525639), (249, 280763), (399, 175213), (581, 120327), (1577, 44331), (1743, 40109), (2111, 33117), (4731, 14777), (6333, 11039)]