194795775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 373261824

約数和(自身を除く): 178466049

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 127, 153, 225, 255, 381, 401, 425, 635, 765, 1143, 1203, 1275, 1905, 2005, 2159, 3175, 3609, 3825, 5715, 6015, 6477, 6817, 9525, 10025, 10795, 18045, 19431, 20451, 28575, 30075, 32385, 34085, 50927, 53975, 61353, 90225, 97155, 102255, 152781, 161925, 170425, 254635, 306765, 458343, 485775, 511275, 763905, 865759, 1273175, 1533825, 2291715, 2597277, 3819525, 4328795, 7791831, 11458575, 12986385, 21643975, 38959155, 64931925, 194795775]

約数ペア:

[(1, 194795775), (3, 64931925), (5, 38959155), (9, 21643975), (15, 12986385), (17, 11458575), (25, 7791831), (45, 4328795), (51, 3819525), (75, 2597277), (85, 2291715), (127, 1533825), (153, 1273175), (225, 865759), (255, 763905), (381, 511275), (401, 485775), (425, 458343), (635, 306765), (765, 254635), (1143, 170425), (1203, 161925), (1275, 152781), (1905, 102255), (2005, 97155), (2159, 90225), (3175, 61353), (3609, 53975), (3825, 50927), (5715, 34085), (6015, 32385), (6477, 30075), (6817, 28575), (9525, 20451), (10025, 19431), (10795, 18045)]