15325989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 24975360

約数和(自身を除く): 9649371

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 541, 1349, 1491, 1623, 3787, 4047, 9443, 10279, 11361, 28329, 30837, 38411, 71953, 115233, 215859, 268877, 729809, 806631, 2189427, 5108663, 15325989]

約数ペア:

[(1, 15325989), (3, 5108663), (7, 2189427), (19, 806631), (21, 729809), (57, 268877), (71, 215859), (133, 115233), (213, 71953), (399, 38411), (497, 30837), (541, 28329), (1349, 11361), (1491, 10279), (1623, 9443), (3787, 4047)]