57720015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 106748928

約数和(自身を除く): 49028913

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 197, 255, 383, 591, 765, 985, 1149, 1773, 1915, 2955, 3349, 3447, 5745, 6511, 8865, 10047, 16745, 17235, 19533, 30141, 32555, 50235, 58599, 75451, 97665, 150705, 226353, 292995, 377255, 679059, 1131765, 1282667, 3395295, 3848001, 6413335, 11544003, 19240005, 57720015]

約数ペア:

[(1, 57720015), (3, 19240005), (5, 11544003), (9, 6413335), (15, 3848001), (17, 3395295), (45, 1282667), (51, 1131765), (85, 679059), (153, 377255), (197, 292995), (255, 226353), (383, 150705), (591, 97665), (765, 75451), (985, 58599), (1149, 50235), (1773, 32555), (1915, 30141), (2955, 19533), (3349, 17235), (3447, 16745), (5745, 10047), (6511, 8865)]