124620015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{997}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 215280576

約数和(自身を除く): 90660561

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 641, 997, 1923, 2991, 3205, 4985, 8333, 9615, 12961, 14955, 24999, 38883, 41665, 64805, 124995, 194415, 639077, 1917231, 3195385, 8308001, 9586155, 24924003, 41540005, 124620015]

約数ペア:

[(1, 124620015), (3, 41540005), (5, 24924003), (13, 9586155), (15, 8308001), (39, 3195385), (65, 1917231), (195, 639077), (641, 194415), (997, 124995), (1923, 64805), (2991, 41665), (3205, 38883), (4985, 24999), (8333, 14955), (9615, 12961)]