61561515

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 100590336

約数和(自身を除く): 39028821

約数列:

[1, 3, 5, 15, 83, 197, 249, 251, 415, 591, 753, 985, 1245, 1255, 2955, 3765, 16351, 20833, 49053, 49447, 62499, 81755, 104165, 148341, 245265, 247235, 312495, 741705, 4104101, 12312303, 20520505, 61561515]

約数ペア:

[(1, 61561515), (3, 20520505), (5, 12312303), (15, 4104101), (83, 741705), (197, 312495), (249, 247235), (251, 245265), (415, 148341), (591, 104165), (753, 81755), (985, 62499), (1245, 49447), (1255, 49053), (2955, 20833), (3765, 16351)]